Rep. Doug Lamborn (R-Colo.) has narrowly avoided a primary upset.
Rep. Charles Rangel looks set to hold on for one more term in Congress.
Republican Richard Hanna has held on against his Tea Party opponent Claudia Tenney.
Both Lee Zeldin and Elise Stefanik won their primaries in top-targeted Dem House held seats.
After winning GOP nomination, Ken Buck will likely succeed Rep. Cory Gardner.
The wealthy businessman easily carries solidly GOP Fla. seat to succeed ex-Rep. Trey Radel.
The Tennessee Republican faces a primary rematch with Weston Wamp, son of the district's former congressman.
Boehner and McCarthy each gave the GOP campaign arm another $1.5 million.
The Democrat turned to unconventional measures to get supporters to the polls on Tuesday.
Dem incumbent combats voter apathy while his challenger dismisses polls showing him behind.