Jim Webb: "I look forward to listening and talking with more people in the coming months as I decide whether or not to run."
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Joe Biden: "That's a family personal decision that I'm going to make sometime at the end of the summer."
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Martin O'Malley: "I've been very encouraged as I travel around the country by a number of people who repeat again and again and again their desire for getting things done again as a country and also for new leadership to get those things done."
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Elizabeth Warren: "I'm not running for president....I don't get who writes these headlines or what they're about. I think there's just kind of a pundit world out there."
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Jerry Brown: "If no one runs and [everyone] says we'll have an absent Democratic nominee, would I rule that out? I mean, that would be a little silly, wouldn't it?"
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Former Rhode Island Governor Lincoln Chafee is a one-time Republican, turned independent, now Democrat and is exploring a run for the presidency. On Hillary Clinton, he told CNN "... anybody who voted for the Iraq War should not be president and certainly should not be leading the Democratic Party."
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Bernie Sanders: "I haven't made up my final decision and I've got to say a lot of my strongest supporters say, 'Bernie, you've gotta stay out of the damn Democratic Party, run as an Independent."
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Kirsten Gillibrand: The New York senator has said she'll support Hillary Clinton "110 percent."
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Andrew Cuomo (in 2014): "I'm focusing on running for governor. And then I'm going to focus on being the best governor I can be."
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Brian Schweitzer: When asked by Time if he would be a better candidate for president than Clinton: "Well, I think so, of course. I think I have a background and a resume that isn't just in government."