Senate Minority Leader Mitch McConnell of Kentucky, center, celebrates with Sen. Rand Paul, R-Ky., and his wife, former Labor Secretary Elaine Chao, at an election night party in Louisville on Tuesday, Nov. 4, 2014. McConnell won a sixth term in Washington, with his eyes on the larger prize of GOP control of the Senate. The Kentucky senate race, with McConnell, a 30-year incumbent fighting off a spirited challenge from Democrat Alison Lundergan Grimes, had been among the most combative and closely watched contests that could determine the balance of power in Congress.
Incumbent Gov. Maggie Hassan, D-N.H. acknowledges supporters in Manchester, N.H. on Nov. 4 after winning re-election.
Supporters of Democratic Senate candidate Alison Lundergan Grimes, Sarah Ballard, Hannah Ballard and Emily Ballard, hold signs as they watch early news reports of Mitch McConnell's apparent victory during an election night party in Lexington, Ky.
Sen. Susan Collins, R-Maine, celebrates her re-election victory over Democrat Shenna Bellows in Portland, Maine, with her family.
Michigan Sen.-elect Gary Peters addresses supporters after being elected to the Senate over ex-Secretary of State Terri Lynn Land in Detroit. Peters' win maintains Democratic control of a seat in Congress held for the last 36 years by Carl Levin.
West Virginia Republican Senate candidate Rep. Shelley Moore Capito speaks after winning the Senate seat, at the Embassy Suites in Charleston, W.Va.
New Hampshire Republican gubernatorial candidate Walt Havenstein, with his wife Judy, concedes defeat to incumbent Gov. Maggie Hassan at his election night party in Manchester, N.H.
Supporters of Republican U.S. Senate candidate Scott Brown wait for him to come out to speak at his election night rally after television networks declared his opponent, Senator Jeanne Shaheen, D-N.H., the winner, in Manchester, N.H.
Democrat Tom Wolf speaks after the results of the midterm election in York, Pa., on Nov. 4. Wolf won the gubernatorial race.
South Carolina Gov. Nikki Haley is congratulated by her mother, Raj Randhawa, at campaign headquarters in Columbia, S.C. Haley beat Democratic state Sen. Vincent Sheheen to win a second term.
Senator-elect, Rep. Cory Gardner, R-Colo., front left, and his wife Jaime wave to supporters during a GOP election night gathering in Denver, Colo., on Nov. 4. Gardner defeated his Democratic opponent, incumbent Sen. Mark Udall.
Ariel Judah, center, and her mother Shari Judah, right, both of Silver Spring, Md., cheer for early election results during a campaign party for Maryland Republican gubernatorial candidate Larry Hogan, not pictured, in Annapolis, Md. on Nov. 4. Hogan beat Democratic nominee Anthony Brown.
Republican U.S. Senator-elect Joni Ernst thanks her supporters after she won the U.S. Senate race on election night on Nov. 4 in West Des Moines, Iowa. Ernst and her opponent Democrat Rep. Bruce Braley (D-IA) have been locked in a months-long campaign battle that had them tied in the polls going into election day.
Republican gubernatorial candidate Bruce Rauner declares victory during his election night gathering in Chicago, Ill.
Sen. Jeanne Shaheen, D-N.H. celebrates with supporters after winning the election for a second term in the Senate, on Nov. 4, in Manchester, N.H. Shaheen beat Republican Scott Brown.