Hillary Clinton, accepting the nomination, speaks Thursday night at the Democratic National Convention.

Clinton delegate Maine Attorney General Janet Mills and superdelegate Maggie Allen of Madison are among the Maine contingent at the Democratic National Convention in Philadelphia on Thursday.

Maine delegates hold up signs as they show support for Democratic presidential nominee Hillary Clinton during the final day of the Democratic National Convention in Philadelphia on Thursday.

Maine Democratic Party chair Phil Bartlett and vice-chair Peggy Schaffer.

Clinton delegate Ralph Carmona of Portland (right) and David Flores (left) Sanders supporter from South Berwick.

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 to his remarks.

Retired U. S. Marine Corps four-star Gen. John Allen speaks during the final day of the Democratic National Convention.

Wisconsin delegate Karla Stoebig, left, wears a cheese-head as she applauds Rep. Gwen Moore, D-Wis., as she speaks during the fourth day session of the Democratic National Convention.

California delegates hold up signs as they cheer for Democratic presidential nominee Hillary Clinton during the final day of the Democratic National Convention in Philadelphia on Thursday.

Virgin Islands delegate Edgar Phillips arrives at Wells Fargo Arena before the start of the final day of the Democratic National Convention in Philadelphia on Thursday.

Sen. Bernie Sanders, I-Vt., right, greets a police officer during walk around downtown in Philadelphia on Thursday during the final day of the Democratic National Convention.

Pennsylvania delegate Anna Payne of Levittown wears a tiny hat on her appropriately colored hair during the final day of the Democratic National Convention in Philadelphia in Thursday.

LGBT rights activist Sarah McBride speaks as Rep. Sean Patrick Maloney, D-NY, co-chair of the Congressional LGBT Equality Caucus, stands at right, during the final day of the Democratic National Convention in Philadelphia on Thursday.

The Democratic women of the U.S. Senate wave to delegates during the final day of the Democratic National Convention in Philadelphia on Thursday.

Wisconsin delegates Matthew LRonge and Thelma Sias embrace during the invocation on the final day of the Democratic National Convention in Philadelphia on Thursday.

Rep. Gwen Moore, D-Wisc. speaks during the final day of the Democratic National Convention in Philadelphia on Thursday.

A supporter of Sen. Bernie Sanders, I-Vt., holds a "Bernie or BUST" sign at a rally in Philadelphia on Thursday during the final day of the Democratic National Convention.

Rep. Tammy Duckworth, D-Ill., takes the stage during the final day of the Democratic National Convention. An Iraq War veteran, Duckworth served as a U.S. Army helicopter pilot and suffered severe combat wounds, losing both of her legs and damaging her right arm.

Singer Carole King performs during the final day of the Democratic National Convention in Philadelphia on Thursday.

A supporter of Sen. Bernie Sanders, I-Vt., takes video of a rally in Philadelphia on Thursday during the final day of the Democratic National Convention.

Civil rights leader Dolores Huerta speaks during the final day of the Democratic National Convention in Philadelphia on Thursday.