See photos from the Democratic National Convention

Democratic presidential nominee Vice President Kamala Harris appears with her running mate Minnesota Gov. Tim Walz at the Fiserv Forum during a campaign rally in Milwaukee on Tuesday.

United States Senate Majority Leader Chuck Schumer speaks during Day 2 of the 2024 Democratic National Convention Tuesday in Chicago.

Vice President Kamala Harris takes the stage at the Democratic National Convention in Chicago on Monday.

President Joe Biden takes the stage at the Democratic National Convention in Chicago Monday.

Senate Majority Leader Chuck Schumer speaks at the New York delegation breakfast at the Sheraton Grand Chicago Riverwalk Tuesday.

Demonstrators in support of Palestinians march down Chicago's Michigan Avenue on Sunday ahead of the Democratic National Convention.

New York State Democaratic chairman Jay Jacobs speaks at the New York delegation breakfast at the Sheraton Grand Chicago Riverwalk Tuesday.

Connecticut Sen. Chris Murphy speaks at the New York delegation breakfast at the Sheraton Grand Chicago Riverwalk Tuesday.

Vice President Kamala Harris takes the stage at the Democratic National Convention in Chicago Monday.

Senate Marjority Leader Chuck Schumer addresses the New York delegation breakfast at the Sheraton Grand Chicago Riverwalk Tuesday.

Kentucky Gov. Andy Beshear at the New York delegation breakfast at the Sheraton Grand Chicago Riverwalk Tuesday.

Pres. Joe Biden addresses the crowd at the Democratic National Convention in Chicago on Monday.

Ruby Chen, whose son, Itay Chen, was killed in the Hamas attack on Israel Oct. 7, lobbies for the return of his body from Gaza at the New York delegation breakfast in Chicago Tuesday.

Rep. Alexandria Ocasio-Cortez takes the stage at the Democratic National Convention in Chicago Monday.

Rep. Alexandria Ocasio-Cortez speaks at the New York delegation breakfast at the Sheraton Grand Chicago Riverwalk Tuesday.

Gov. Kathy Hochul speaks at the New York delegation breakfast at the Sheraton Grand Chicago Riverwalk Tuesday.

Vice President Kamala Harris and President Joe Biden after Biden addressed the Democratic National Convention in Chicago Monday. With them are their spouses, Doug Emhoff and Jill Biden.

First lady Jill Biden and President Joe Biden after he addressed the Democratic National Convention in Chicago Monday.

Rep. Alexandria Ocasio-Cortez addresses the crowd at the Democratic National Convention in Chicago Monday.

Former presidential candidate Hillary Rodham Clinton addresses the crowd at the Democratic National Convention in Chicago Monday.

Rep. Alexandria Ocasio-Cortez at the Democratic National Convention in Chicago Monday.

Delaware Sen. Chris Coons addresses the crowd at the Democratic National Convention in Chicago Monday.

Rep. Alexandra Ocasio-Cortez Member arrives at the Democratic National Convention in Chicago Monday.

Sen. Kirsten Gillibrand stands with the New York delegation at the Democratic National Convention in Chicago Monday.

Jaime Harrison, chair of the Democratic National Committee, and Minyon Moore, chair of the 2024 Democratic National Convention Committee, on opening day of the Democratic National Convention in Chicago Monday.

Rep. Tom Suozzi arrives at the Democratic National Convention in Chicago Monday.

New York Gov. Kathy Hochul Governor addresses the crowd at the Democratic National Convention in Chicago Monday.

Jaime Harrison, chair of the Democratic National Committee, and Minyon Moore, chair of the 2024 Democratic National Convention Committee, on opening day of the Democratic National Convention in Chicago Monday.

Demonstrators at Chicago's Union Park on Monday, about a half mile from the Democratic National Convention.

Nancy Hagans, president of the New York State Nurses Association, leads the cheers of "Union Yes" with the New York delegation at the Democratic National Convention in Chicago Monday.

Senate Marjority Leader Chuck Schumer addresses the New York delegation breakfast at the Sheraton Grand Chicago Riverwalk Tuesday.

Civil rights activists the Rev. Al Sharpton, left, and the Rev. Jesse Jackson arrive for opening night of the Democratic National Convention in Chicago Monday.

Demonstrators at Chicago's Union Park on Monday.

Vice presidential nominee Gov. Tim Walz arrives for opening night at the Democratic National Convention in Chicago Monday.

New York Gov. Kathy Hochul speaks at the New York delegation breakfast at the Sheraton Grand Chicago Riverwalk Tuesday.

Vice presidential nominee Gov. Tim Walz arrives for opening night at the Democratic National Convention in Chicago Monday.

House Minority Leader Hakeem Jeffries speaks at the New York delegation breakfast at the Sheraton Grand Chicago Riverwalk Tuesday.

Workers prepare the United Center in Chicago on Sunday for the Democratic National Convention.

Workers prepare the United Center in Chicago on Sunday for the Democratic National Convention.

The United Center in Chicago, host of the Democratic National Convention.