Two senators received perfect ratings: Sens. Ted Cruz (R-Texas) and Mike Lee (R-Utah).
Milton Wolf is mounting a primary challenge to incumbent Sen. Pat Roberts (R-Kan.).
A Tea Party challenger announced Monday he will run against House Agriculture Committee Chairman Frank Lucas (R-Okla.).
David Wildstein, at the center of controversy surrounding Christie, won't answer questions.
Gov. Rick Perry called Harold Simmons "a true Texas giant."
House conservative Republicans say they have not lost faith in budget guru.
Business leaders in Michigan are fundraising to take down Rep. Justin Amash.
Romney said Jeb Bush, Marco Rubio and Paul Ryan could also win the White House.
The former Republican vice presidential candidate hinted at aiding Tea Party primary challengers against incumbent Republican senators.
Sen. Rand Paul (R-Ky.) narrowly leads the pack of potential GOP contenders in 2016, according to a new poll.
If the GOP presidential primary were held today, 17 percent of GOP voters would elect Paul, according to a new Quinnipiac Poll released Wednesday. He leads among Tea Party Republicans as well, with 22 percent.