Final Day of the Democratic National Convention

Democratic presidential candidate Hillary Clinton takes the stage during the final day of the Democratic National Convention in Philadelphia, July 28, 2016.

Chelsea Clinton and former President Bill Clinton applaud as Democratic presidential nominee Hillary Clinton speaks during the final day of the Democratic National Convention in Philadelphia, July 28, 2016.

Democratic U.S. presidential nominee Hillary Clinton accepts the nomination on the fourth and final night at the Democratic National Convention in Philadelphia, Pennsylvania, July 28, 2016.

Democratic presidential nominee Hillary Clinton speaks during the final day of the Democratic National Convention in Philadelphia, July 28, 2016.

Delegates react during the final day of the Democratic National Convention in Philadelphia, July 28, 2016.

Female delegates cheer as Democratic presidential nominee Hillary Clinton accepts the nomination on the fourth and final night at the Democratic National Convention in Philadelphia, Pennsylvania, July 28, 2016.

Chelsea Clinton, daughter of Democratic presidential nominee Hillary Clinton speaks during the final day of the Democratic National Convention in Philadelphia, July 28, 2016.

A delegate in the Wisconsin section waves a large U.S. flag during the final day of the Democratic National Convention in Philadelphia, July 28, 2016.

Gen. John Allen, (Ret.) stands with veterans as he speaks during the final day of the Democratic National Convention in Philadelphia, July 28, 2016.

Delegates raise their fists during the final day of the Democratic National Convention in Philadelphia, July 28, 2016.

Khizr Khan, father of fallen US Army Capt. Humayun S. M. Khan holds up a copy of the Constitution of the United States as his wife listens during the final day of the Democratic National Convention in Philadelphia, July 28, 2016

A supporter cheers as Democratic presidential nominee Hillary Clinton speaks during the final day of the Democratic National Convention in Philadelphia, July 28, 2016.

Delegates hold Hillary Clinton signs at the Democratic National Convention in Philadelphia, Pennsylvania, July 28, 2016.

Newly naturalized U.S. citizens lead the U.S. Pledge of Allegiance at the start of the final day of the Democratic National Convention in Philadelphia, Pennsylvania, July 28, 2016.

A delegate holds a Hillary Clinton poster at the Democratic National Convention in Philadelphia, Pennsylvania, July 28, 2016.

Delegates attend the last night of the Democratic National Convention, in Philadelphia, July 28, 2016.

Delegates attend the last night of the Democratic National Convention, in Philadelphia, July 28, 2016.

Delegates attend the last night of the Democratic National Convention, in Philadelphia, July 28, 2016.

Singer-songwriter Carole King performs "You've Got a Friend" on the final night of the Democratic National Convention, in Philadelphia, July 28, 2016.