Opening night at the Horseshoe casino, in Baltimore, MD. August 26, 2014.
Video Ad Feedback
Who is Martin O'Malley?
He's a former governor and was tough on crime when he served as Mayor of Baltimore. Now Martin O'Malley is running for the presidency.
1:51 • Source: CNN
Meet Martin O'Malley 19 videos
Opening night at the Horseshoe casino, in Baltimore, MD. August 26, 2014.
Video Ad Feedback
Who is Martin O'Malley?
1:51
Now playing
• Source: CNN
JOHNSTON, IA - JANUARY 31: Democratic Presidential Candidate Martin O'Malley speaks to potential supporters at a residence on January 31, 2016 in Johnston, Iowa. O'Malley and other candidates are making their final appeals to voters ahead of the Iowa caucus February 1. (Photo by Steve Pope/Getty Images)
Video Ad Feedback
Sources: Martin O'Malley to suspend campaign
1:15
Now playing
• Source: CNN
JOHNSTON, IA - JANUARY 31: Democratic Presidential Candidate Martin O'Malley speaks to potential supporters at a residence on January 31, 2016 in Johnston, Iowa. O'Malley and other candidates are making their final appeals to voters ahead of the Iowa caucus February 1. (Photo by Steve Pope/Getty Images)
Video Ad Feedback
Could O'Malley decide the Democratic race?
2:17
Now playing
• Source: CNN
o'malley no fly zone syria clinton intvw sotu_00002720.jpg
Video Ad Feedback
O'Malley: Syria no-fly zone could lead to 'escalation'
0:53
Now playing
• Source: CNN
Being Moody Matin OMalley Election 2016 AR ORIGWX_00010604.jpg
Video Ad Feedback
Fear and Loathing with Martin O'Malley
3:38
Now playing
• Source: CNN
Being Moody Matin OMalley Election 2016 AR ORIGWX_00010604.jpg
Video Ad Feedback
Fear and Loathing with Martin O'Malley
3:38
Now playing
• Source: CNN
SOTU Tapper: Martin O'Malley Full Interview_00014910.jpg
Video Ad Feedback
Martin O'Malley on State of the Union: Full Interview
4:59
Now playing
• Source: CNN
martin o'malley johns bts lead _00003308.jpg
Video Ad Feedback
O'Malley: DNC stacking deck to help Clinton
4:51
Now playing
• Source: CNN
martin o'malley johns bts lead _00003308.jpg
Video Ad Feedback
O'Malley: We need to talk issues, not Clinton's emails
3:24
Now playing
• Source: CNN
martin omalley hillary clinton debates_00000000.jpg
Video Ad Feedback
Martin O'Malley: Mistake for Dems to 'circle the wagon'
1:51
Now playing
• Source: CNN
Martin O'Malley Lead intv 08 06
Video Ad Feedback
O'Malley accuses DNC of stacking deck for Clinton
6:27
Now playing
• Source: CNN
SOTU Panel: O'Malley booed for saying "All lives matter"_00002420.jpg
Video Ad Feedback
O'Malley booed for saying "All lives matter"
2:09
Now playing
• Source: CNN
Martin O'Malley endorses Hillary Clinton for president on May 9, 2007.
Video Ad Feedback
O'Malley flashback: The 2007 Clinton endorsement
1:15
Now playing
• Source: CNN
lead dnt jim acosta omalley vs white house_00020003.jpg
Video Ad Feedback
O'Malley slams Obama for border crises
2:06
Now playing
• Source: CNN
lead omalley tapper interview
Video Ad Feedback
O'Malley strikes contrast with Clinton on justice reform
6:08
Now playing
• Source: CNN
Democratic Maryland Gov. Martin O'Malley on State of the Union with Candy Crowley
Video Ad Feedback
New Clinton challenger jumping into 2016 race
2:01
Now playing
• Source: CNN
lead o'malley baltimore _00005322.jpg
Video Ad Feedback
Martin O'Malley on Baltimore residents blaming him
2:53
Now playing
• Source: CNN
Martin O'Malley in Iowa
Video Ad Feedback
Can this Democrat really beat Hillary Clinton?
2:01
Now playing
• Source: CNN
Former Democratic Maryland Governor Martin O'Malley addresses the 2015 International Association of Fire Fighters (IAFF) Alfred K. Whitehead Legislative Conference and Presidential Forum in Washington, D.C., March 10, 2015.
Video Ad Feedback
Martin O'Malley announces presidential run
1:52
Now playing
• Source: CNN