Democratic Convention - Day Three

Former Attorney General Eric Holder addresses the black caucus at the Democratic National Convention in Philadelphia on July 27, 2016.

Delegates pick up Millennials for Hillary campaign buttons on their way into the youth council meeting at the Democratic National Convention in Philadelphia on July 27, 2016.

Panelists discuss issues affecting younger voters at the youth council meeting at the Democratic National Convention in Philadelphia on July 27, 2016. From left to right: Sarah Audelo, Clinton campaign millennial vote director; social justice activist Nelini Stamp; Gen Progress Executive Director Maggie Thompson; YP4 director Catalina Velasquez.

New Jersey Senator Cory Booker speaks to the youth council at the Democratic National Convention in Philadelphia on July 27, 2016. Booker also spoke at a South Carolina delegation breakfast earlier in the week as well as addressing the entire convention on the main stage in the Wells Fargo Center.

Delegates for Bernie Sanders and supporters of the Bernie or bust movement rally outside of City Hall in Philadelphia during the Democratic National Convention on July 27, 2016.

Georgia congressman and civil rights icon John Lewis talks with delegates inside the Wells Fargo Center during the Democratic National Convention in Philadelphia on July 27, 2016.

South Carolina delegates hold up symbolic placards in memory of the victims of the Emanuel AME church shooting in Charleston during speeches that two survivors of the attack gave at the Democratic National Convention in Philadelphia on July 27, 2016.

The South Carolina delegation eagerly awaits remarks from Vice President Joe Biden at the Democratic National Convention in Philadelphia on July 27, 2016.

Jill Biden, second lady of the United States, introduces her husband Vice President Joe Biden at the Democratic National Convention in Philadelphia on July 27, 2016.

Bernie Sanders delegates hold a press conference to protest after Sanders surrogate and former Ohio State Senator Nina Turner was withdrawn from the speaking schedule at the Democratic National Convention in Philadelphia on July 27, 2016.

Reporters inside the media center watch remarks from President Barack Obama at the Democratic National Convention in Philadelphia on July 27, 2016.