Candidates face off in Detroit on Night 2 of the second Democratic debate

Democratic presidential candidates during the national anthem.
  (Scott Olson / Getty Images)

Ten Democratic presidential hopefuls debated Wednesday, July 31, following the first 10 who met on Tuesday evening.
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Julian Castro, Cory Booker, Joe Biden, Kamala Harris and Andrew Yang, from left.
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Democratic presidential hopefuls on the debate stage Wednesday evening.
  (Brendan Smialowski / AFP/Getty Images)

Former Vice President Joe Biden and Sen. Kamala Harris of California, who clashed while debating in June, greet each other at the July debate.
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Michael Bennet, Kirsten Gillibrand and Julián Castro, from left, before debating in Detroit.
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Sens. Cory Booker, left, and Kamala Harris have both spoken harshly of former Vice President Joe Biden, center, in recent weeks.
  (Brendan Smialowski / AFP/Getty Images)

Sen. Kamala Harris continued to directly challenge former Vice President Joe Biden on the issues Wednesday night.
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Members of the media report from the press room on the second night of July’s debates.
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Sen. Cory Booker of New Jersey takes a turn at Wednesday’s debate.
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Protesters call for the next president to immediately end deportations.
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Former Vice President Joe Biden seen on a TV screen outside Wednesday’s debate.
  (Brendan Smialowski / AFP/Getty Images)

Washington Gov. Jay Inslee, left, and New York Mayor Bill de Blasio speak on debate night 2 in Detroit.
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Obama administration Housing and Urban Development Secretary Julian Castro gives his opening statement Wednesday evening.
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Sen. Kirsten Gillibrand of New York speaks Wednesday evening.  (Associated Press)

Rep. Tulsi Gabbard of Hawaii spoke of her time in the military after 9/11.  (Jim Watsom / AFP/Getty Images)

Former tech executive Andrew Yang gives his opening statement at Wednesday’s debate.  (Jim Watson / AFP/Getty Images)

Sen. Michael Bennet of Colorado speaks Wednesday evening.
  (Jim Watson / AFP/Getty Images)

Kamala Harris listens as Andrew Yang makes a point on Wednesday.
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Sen. Cory Booker of New Jersey and former Vice President Joe Biden talk during a break Wednesday evening.
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Carol Dunitz of Ann Arbor, Mich., demonstrates in Detroit before the second night of Democratic debating in July.
  (Jeff Kowalsky / AFP/Getty Images)

Pro-immigration demonstrators march in Detroit before Wednesday night’s debate.
  (Jeff Kowalsky / AFP/Getty Images)

Elvis impersonator Earl Grobbel shows his support for Joe Biden before Wednesday’s debate.  (Jeff Kowalsky / AFP/Getty Images)