Former Democratic Maryland Governor Martin O'Malley addresses the 2015 International Association of Fire Fighters on March 10.
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O'Malley has not been shy about potentially running in 2016, saying about potential competitors Jeb Bush and Hillary Clinton that the presidency is not a "crown" to be passed through families.
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In some early 2016 polling, O'Malley is pulling single-digit numbers.
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O'Malley speaks during the 2015 Alfred K. Whitehead Legislative Conference and Presidential Forum on March 10.
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O'Malley speaks at a Democratic fundraiser at Gibson's Bookstore and True Brew Cafe on March 6 in Concord, New Hampshire.
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O'Malley speaks during a ceremony commemorating the bicentennial of the writing of The Star-Spangled Banner at Fort McHenry National Historic Park on September 13, 2014.
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O'Malley delivers remarks before Barack Obama takes the stage at a Costco store January 29, 2014 in Lanham, Maryland.
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O'Malley addresses a conference commemorating the 10th anniversary of the Center for American Progress on October 24, 2013.
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O'Malley speaks during the National Clean Energy Summit 6.0 on August 13, 2013 in Las Vegas.
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O'Malley and his wife Katie O'Malley arrive for a State Dinner in honor of British Prime Minister David Cameron at the White House on March 14, 2012.
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O'Malley campaigns for reelection on October 27, 2010, in Frederick, Maryland.
