Liz Dozier is principal at Chicago's Fenger High School, where gang violence poses a threat every day.
Is she the toughest principal in U.S.?
Erin Burnett talks to Chicago principal Elizabeth Dozier about the mayor closing 50 schools in one year.
02:40 - Source: CNN
'Chicagoland' 11 videos
Liz Dozier is principal at Chicago's Fenger High School, where gang violence poses a threat every day.
Is she the toughest principal in U.S.?
02:40
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