HOUSTON, TEXAS - SEPTEMBER 12: Democratic presidential candidates Sen. Bernie Sanders (I-VT) and former Vice President Joe Biden look on as Sen. Elizabeth Warren (D-MA) speaks during the Democratic Presidential Debate at Texas Southern University's Health and PE Center on September 12, 2019 in Houston, Texas. Ten Democratic presidential hopefuls were chosen from the larger field of candidates to participate in the debate hosted by ABC News in partnership with Univision. (Photo by Win McNamee/Getty Images)
Biden, Sanders and Warren clash over health care
During ABC's Democratic primary debate, former Vice President Joe Biden argued to expand Obamacare. Senators Bernie Sanders and Elizabeth Warren made the case for "Medicare for All."
01:58 - Source: CNN
Third 2020 Democratic Debate ABC 10 videos
HOUSTON, TEXAS - SEPTEMBER 12: Democratic presidential candidates Sen. Bernie Sanders (I-VT) and former Vice President Joe Biden look on as Sen. Elizabeth Warren (D-MA) speaks during the Democratic Presidential Debate at Texas Southern University's Health and PE Center on September 12, 2019 in Houston, Texas. Ten Democratic presidential hopefuls were chosen from the larger field of candidates to participate in the debate hosted by ABC News in partnership with Univision. (Photo by Win McNamee/Getty Images)
Biden, Sanders and Warren clash over health care
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Democratic presidential candidate former Texas congressman Beto O'Rourke speaks during the Democratic Presidential Debate at Texas Southern University's Health and PE Center on September 12, 2019 in Houston, Texas. Ten Democratic presidential hopefuls were chosen from the larger field of candidates to participate in the debate hosted by ABC News in partnership with Univision.
Beto O'Rourke: 'Hell yes' we'll take your AR-15
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HOUSTON, TEXAS - SEPTEMBER 12: Democratic presidential candidate former tech executive Andrew Yang speaks during the Democratic Presidential Debate at Texas Southern University's Health and PE Center on September 12, 2019 in Houston, Texas. Ten Democratic presidential hopefuls were chosen from the larger field of candidates to participate in the debate hosted by ABC News in partnership with Univision. (Photo by Win McNamee/Getty Images)
Andrew Yang made a big announcement at the debate
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Democratic presidential hopeful Mayor of South Bend, Indiana, Pete Buttigieg speaks during the third Democratic primary debate of the 2020 presidential campaign season hosted by ABC News in partnership with Univision at Texas Southern University in Houston, Texas on September 12, 2019.
Buttigieg: Presidential debates are becoming unwatchable
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Biden invokes son Beau in fiery health care response
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HOUSTON, TEXAS - SEPTEMBER 12: Democratic presidential candidate Sen. Cory Booker (D-NJ) speaks as South Bend, Indiana Mayor Pete Buttigieg looks on during the Democratic Presidential Debate at Texas Southern University's Health and PE Center on September 12, 2019 in Houston, Texas. Ten Democratic presidential hopefuls were chosen from the larger field of candidates to participate in the debate hosted by ABC News in partnership with Univision. (Photo by Win McNamee/Getty Images)
Booker asked if Biden is too old to be president
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HOUSTON, TEXAS - SEPTEMBER 12: Democratic presidential candidates Sen. Cory Booker (D-NJ) and South Bend, Indiana Mayor Pete Buttigieg interact during the Democratic Presidential Debate at Texas Southern University's Health and PE Center on September 12, 2019 in Houston, Texas. Ten Democratic presidential hopefuls were chosen from the larger field of candidates to participate in the debate hosted by ABC News in partnership with Univision. (Photo by Win McNamee/Getty Images)
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HOUSTON, TEXAS - SEPTEMBER 12: Democratic presidential candidate former tech executive Andrew Yang speaks during the Democratic Presidential Debate at Texas Southern University's Health and PE Center on September 12, 2019 in Houston, Texas. Ten Democratic presidential hopefuls were chosen from the larger field of candidates to participate in the debate hosted by ABC News in partnership with Univision. (Photo by Win McNamee/Getty Images)
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HOUSTON, TEXAS - SEPTEMBER 12: Democratic presidential candidates Sen. Elizabeth Warren (D-MA) and Sen. Kamala Harris (D-CA) laugh during the Democratic Presidential Debate at Texas Southern University's Health and PE Center on September 12, 2019 in Houston, Texas. Ten Democratic presidential hopefuls were chosen from the larger field of candidates to participate in the debate hosted by ABC News in partnership with Univision. (Photo by Win McNamee/Getty Images)
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