Pope Francis addresses a joint meeting of the U.S. Congress in the House Chamber of the U.S. Capitol on September 24, 2015 in Washington, DC.
Pope to Congress: Cooperate for 'the common good'
Pope Francis challenged America on immigration, climate change and poverty during his Congress address. CNN's Dana Bash reports.
02:48 - Source: CNN
Pope Francis visits U.S. and Cuba 59 videos
Pope Francis addresses a joint meeting of the U.S. Congress in the House Chamber of the U.S. Capitol on September 24, 2015 in Washington, DC.
Pope to Congress: Cooperate for 'the common good'
02:48
Now playing
- Source: CNN
pope francis clergy sex abuse scandal us visit_00001202.jpg
Pope Francis: 'God weeps' for abuse victims
01:18
Now playing
- Source: CNN
pope francis festival of families universe remarks sot_00005813.jpg
Pope Francis: 'Before creating the world, God loved'
02:37
Now playing
- Source: CNN
pope francis globalization sot_00005224.jpg
Pope Francis shares his thoughts on globalization
01:36
Now playing
- Source: CNN
video from the popemobile philadelphia vo nr_00002718.jpg
See Philadelphia from inside the Popemobile
02:03
Now playing
- Source: CNN
pope francis speaks harlem school live lead_00003014.jpg
Pope Francis leaves students with homework
01:30
Now playing
- Source: CNN
Pope Francis addresses a joint meeting of the U.S. Congress in the House Chamber of the U.S. Capitol on September 24, 2015 in Washington, DC.
Pope to U.N.: Climate change hurts the poor
02:03
Now playing
- Source: CNN
Pope Francis addresses a joint meeting of the U.S. Congress in the House Chamber of the U.S. Capitol on September 24, 2015 in Washington, DC.
Pope Francis speaks on Iran nuclear deal at U.N.
01:05
Now playing
- Source: CNN
JOINT BASE ANDREWS, MD - SEPTEMBER 24: Pope Francis departs from Washington, DC en route to New York City on September 24, 2015 in Joint Base Andrews, Maryland.The Pope is on a six-day trip to the U.S., with stops in Washington, New York City and Philadelphia. (Photo by Patrick Smith/Getty Images)
Pope to leaders: 'Solemn commitments are not enough'
02:31
Now playing
- Source: CNN
Pope Francis New York City United Nations memorial madison square garden orig_00000000.jpg
Pope Francis's busy day in the Big Apple
01:16
Now playing
- Source: CNN
Pope Francis speaks during evening prayer service at St. Patrick's Cathedral in New York, Thursday, Sept. 24, 2015. (AP Photo/Mary Altaffer, Pool)
Pope Francis: Day one in NYC
02:51
Now playing
- Source: CNN
pope francis congress tears moos pkg erin _00005523.jpg
Congress gets emotional during Pope Francis' visit
02:08
Now playing
- Source: CNN
catholic charities pope francis dc costello dnt ac_00010308.jpg
Pope Francis spends lunch hour with homeless
02:03
Now playing
- Source: CNN
WASHINGTON, DC - SEPTEMBER 23:  Pope Francis leans out and waves to the crowd as he rides in a popemobile along a parade route around the National Mall on September 23, 2015 in Washington, DC. Thousands of people gathered near the Ellipse to catch of glimpse of Pope Francis after he addressed an audience of 15,000 invited guests on the South Lawn of the White House during an official arrival ceremony with President Barack Obama. The Pope began his first trip to the United States at the White House followed by a visit to St. Matthew's Cathedral, and will then hold a Mass on the grounds of the Basilica of the National Shrine of the Immaculate Conception.   (Photo by Chip Somodevilla/Getty Images)
Where will Pope Francis stay in NYC?
02:25
Now playing
- Source: CNN
ADDS NAME OF GIRL - Pope Francis reaches to give a blessing to Sophie Cruz, 5, from suburban Los Angeles, during a parade in Washington, Wednesday, Sept. 23, 2015. She also delivered a bright yellow T-shirt and a letter expressing wishes that her mother and father and millions of others who are in the U.S. illegally are allowed to remain in the country. (AP Photo/Alex Brandon, Pool)
A 5-year-old's message to Pope Francis
01:51
Now playing
- Source: CNN
pope francis new york st patricks cathedral live erin_00015312.jpg
Pope Francis thanks religious women, gets standing ovation
01:55
Now playing
- Source: CNN
People watch Pope Francis address a Joint Session of Congress in front of the US Capitol in Washington, DC, on September 24, 2015 on the third day of his six-day visit to the US.  AFP PHOTO/NICHOLAS KAMM        (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
Voices as the Pope visits Capitol Hill
01:04
Now playing
- Source: CNN
WASHINGTON, DC - SEPTEMBER 23:  Pope Francis leans out and waves to the crowd as he rides in a popemobile along a parade route around the National Mall on September 23, 2015 in Washington, DC. Thousands of people gathered near the Ellipse to catch of glimpse of Pope Francis after he addressed an audience of 15,000 invited guests on the South Lawn of the White House during an official arrival ceremony with President Barack Obama. The Pope began his first trip to the United States at the White House followed by a visit to St. Matthew's Cathedral, and will then hold a Mass on the grounds of the Basilica of the National Shrine of the Immaculate Conception.   (Photo by Chip Somodevilla/Getty Images)
Feel-good moments from the Pope's visit to D.C.
01:12
Now playing
- Source: CNN
pope francis speech congress climate change distribution of wealth_00000000.jpg
Pope Francis talks climate change, income inequality
03:02
Now playing
- Source: CNN
pope francis speech congress global arms trade_00002219.jpg
Pope: Money from global arms trade 'drenched in blood'
01:31
Now playing
- Source: CNN
pope francis speech immigration refugee crisis _00010820.jpg
Pope Francis: 'Most of us were once foreigners'
05:50
Now playing
- Source: CNN
pope francis speech congress religious persecution_00025007.jpg
Pope Francis: 'We must move forward together as one'
05:46
Now playing
- Source: CNN
pope francis speech congress martin luther king jr._00002505.jpg
Pope Francis invokes MLK in speech to Congress
01:35
Now playing
- Source: CNN
pope francis obama visit wh tsr intv_00000415.jpg
Student who greeted Pope Francis: I joyfully cried
02:52
Now playing
- Source: CNN
Pope Francis greets well-wishers as he leaves the Apostolic Nunciature to the United States to go to the Basilica of the National Shrine of the Immaculate Conception on September 23, 2015 in Washington, DC.  AFP PHOTO/MOLLY RILEY        (Photo credit should read MOLLY RILEY/AFP/Getty Images)
Pope Francis' historic trip to the U.S.
02:21
Now playing
- Source: CNN
pope francis first mass live tsr_00000126.jpg
Pope Francis celebrates his first ever U.S. mass
02:25
Now playing
- Source: CNN
pope francis arrives at catholic university vo nr_00011924.jpg
Pope Francis arrives at Catholic University
01:23
Now playing
- Source: CNN
Pope Francis kiss children parade_00000000.jpg
Pope Francis kisses children during parade
00:47
Now playing
- Source: CNN
Pope Francis waves towards US President Barack Obama and his family as he steps off his plane upon arrival at Andrews Air Force Base in Maryland.
Pope Francis embarks on historic trip to U.S.
02:10
Now playing
- Source: CNN
pope francis new york security dnt ac cooper_00004506.jpg
Is the NYPD ready for Pope Francis?
03:37
Now playing
- Source: CNN
Pope Francis waves alongside US President Barack Obama upon arrival at Andrews Air Force Base in Maryland, September 22, 2015, on the start of a 3-day trip to Washington. AFP PHOTO / SAUL LOEB        (Photo credit should read SAUL LOEB/AFP/Getty Images)
Pope Francis begins historic U.S. visit
02:06
Now playing
- Source: CNN
Pope Francis walks down the steps of his plane upon his arrival at Andrews Air Force Base, Md., Tuesday.
Understanding Pope Francis
10:47
Now playing
- Source: CNN
Pope Visit DC Security Live Lead _00005430.jpg
Pope's historic visit presents rare security challenges
03:42
Now playing
- Source: CNN
Pope Francis walks down the steps of his plane upon his arrival at Andrews Air Force Base, Md., Tuesday.
Pope arrives in U.S. for historic visit
03:28
Now playing
- Source: CNN
Pope Francis waves towards US President Barack Obama and his family as he steps off his plane upon arrival at Andrews Air Force Base in Maryland.
Panel: Pope to Deliver Message of Mercy
03:02
Now playing
- Source: CNN
JOINT BASE ANDREWS, MD - SEPTEMBER 22:  Pope Francis shakes hands with Vice President Joe Biden along with U.S. President Barack Obama, first lady Michelle Obama, and other political and Catholic church leaders after arriving from Cuba September 22, 2015 at Joint Base Andrews, Maryland. Francis will be visiting Washington, New York City and Philadelphia during his first trip to the United States as Pope. (Photo by Chip Somodevilla/Getty Images)
Father Edward Beck tears up during Pope's arrival
02:11
Now playing
- Source: CNN
Pope Francis waves towards US President Barack Obama and his family as he steps off his plane upon arrival at Andrews Air Force Base in Maryland.
What security is in place for Pope Francis?
03:04
Now playing
- Source: CNN
04 Pope visit 0922
Pope Francis arrives in United States
01:07
Now playing
- Source: CNN
pope francis obama visit wh tsr intv_00000415.jpg
Will controversial guests stop Pope Francis' visit?
02:25
Now playing
- Source: CNN
vatican cross exterior 2010
A brief history of popes and presidents
01:49
Now playing
- Source: CNN
Pope Francis arrives to celebrate Mass in Revolution Square in Havana, Cuba, Sunday, Sept. 20, 2015. Pope Francis opens his first full day in Cuba on Sunday with what normally would be the culminating highlight of a papal visit: Mass before hundreds of thousands of people in Havana's Revolution Plaza.  (Tony Gentile/POOL via AP)
Poll: Most Americans view Pope Francis favorably
02:41
Now playing
- Source: CNN
boehner pope volunteers
Speaker Boehner's army of volunteers
00:49
Now playing
- Source: CNN
Pope Francis (R) speaks with US President Barack Obama during a private audience on March 27, 2014 at the Vatican. The meeting at the Vatican comes as a welcome rest-stop for Obama during a six-day European tour dominated by the crisis over Crimea, and the US leader will doubtless be hoping some of the pope's overwhelming popularity will rub off on him.    AFP PHOTO / SAUL LOEB        (Photo credit should read SAUL LOEB/AFP/Getty Images)
Some Republicans hesitant about Pope's Washington visit
02:20
Now playing
- Source: CNN
In this photo taken on Sunday, Sept. 20, 2015, Pope Francis is greeted by faithful as he enters the San Cristobal Cathedral, Havana, Cuba. Francis presided over the evening prayer service in Havana's 18th century cathedral, where he broke from prepared remarks and spoke off-the-cuff at length for the first time during his trip to Cuba. (L'Osservatore Romano/Pool Photo via AP)
With the Pope in town, how safe are you?
02:54
Now playing
- Source: CNN
Cuba?s new president Raul Castro gives a speech after being elected to succeed his brother Fidel Castro by the Cuban national assembly, on February 24, 2008. Raul Castro succeeded his brother Fidel Castro as the president of Cuba Sunday in a historic power shift expected to keep Havana firmly on its communist path, officials said. The announcement was made to the national assembly by newly reelected speaker Ricardo Alarcon.AFP PHOTO/Adalberto ROQUE (Photo credit should read ADALBERTO ROQUE/AFP/Getty Images)
From Fidel's confidante to 'Raul the Reformer'
01:58
Now playing
- Source: CNN
Junipero Serra Backlash America's first Hispanic saint orig_00023325.jpg
Backlash against America's first Hispanic saint
02:39
Now playing
- Source: CNN
pope francis life before papacy jorge mario bergoglio org_00000718.jpg
The man who became Pope Francis
02:39
Now playing
- Source: CNN
CNN Special Report:  The People's Pope Trailer_00004601.jpg
Ambassador to Holy See: Pope "says what he feels"
02:46
Now playing
- Source: CNN
pope catholic families animation rachel crane ts orig_00000000.jpg
How Catholic families have changed since 1965
01:58
Now playing
- Source: CNN
pope francis nobel peace prize orig mg_00012920.jpg
Times Pope Francis has surprised us
02:28
Now playing
- Source: CNN
Pope Francis arrives for Mass at Revolution Plaza in Havana, Cuba, Sunday, Sept. 20, 2015. Pope Francis opens his first full day in Cuba on Sunday with what normally would be the culminating highlight of a papal visit: Mass before hundreds of thousands of people in Havana's Revolution Plaza. (AP Photo/Alessandra Tarantino)
Pope Francis receives rockstar treatment in Cuba
02:04
Now playing
- Source: CNN
Pope Francis bows his heads during the Via Crucis (Way of the Cross) torchlight procession in Rome, Friday, April 18, 2014. Pope Francis presided over a torch-lit Way of the Cross procession at the Colosseum marking Good Friday in Rome. The pope's resolve to focus the Catholic church's attention on those who suffer was reflected in meditations read aloud to commemorate Jesus' crucifixion. (AP Photo/Alessandra Tarantino)
The Pope's exile
03:40
Now playing
- Source: CNN
cnnee brk vo pope francis homily cuba holguin _00002604.jpg
Pope paid visit to Castro brothers hometown
01:25
Now playing
- Source: CNN
ec journey to see pope still
Journey to see the Pope
13:44
Now playing
- Source: CNN
Pope Francis and Cuba's Fidel Castro shakes hands, in Havana, Cuba, Sunday, Sept. 20, 2015. The Vatican described the 40-minute meeting at Castro's residence as informal and familial, with an exchange of books. (AP Photo/Alex Castro)
Pope meets with Fidel Castro
00:59
Now playing
- Source: CNN
Pope Francis to visit two NYC schools_00004628.jpg
Pope Francis to visit 2 New York City schools
05:11
Now playing
- Source: CNN
cancer victim returns cuba pope lavandera pkg_00005526.jpg
Cancer victim returns to Cuba to see Pope Francis
03:13
Now playing
- Source: CNN
Pope Francis speaks with Cuba's President Raul Castro during his arrival ceremony at the airport in Havana, Cuba, Saturday, Sept. 19, 2015. Pope Francis begins a 10-day trip to Cuba and the United States on Saturday, embarking on his first trip to the onetime Cold War foes after helping to nudge forward their historic rapprochement. (AP Photo/Ramon Espinosa)
Cuban President returning to the church?
02:27
Now playing
- Source: CNN
Pope Francis' cap flies off his head as he deplanes in Havana, Cuba, Saturday, Sept. 19, 2015. The pope began his 10-day trip to Cuba and the United States, embarking on his first trip to the onetime Cold War foes after helping to nudge forward their historic rapprochement. (AP Photo/Ismael Francisco, Cubadebate Via AP)
Pope Francis arrives in Cuba
01:10
Now playing
- Source: CNN