Winning yesterday's Republican presidential caucuses in Colorado and Minnesota has propelled Rick Santorum into second place in the race for delegates.

The White House is taking on GOP presidential hopeful Mitt Romney over his criticism of President Barack Obama's birth control coverage mandate.

House Speaker John Boehner says if President Barack Obama doesn't reverse a new policy requiring religious schools and hospitals to provide employees with access to free birth control, the Congress will.

Newt Gingrich is keeping a chipper tone despite his poor showing in this week's GOP presidential caucuses in Colorado and Minnesota.

A federal judge is denying requests to keep private the results of an investigation into prosecutorial misconduct in the case against the late Sen. Ted Stevens.

Mitt Romney just can't shake his difficulty attracting conservatives and that reality is undercutting his effort to cast himself as the inevitable Republican presidential nominee.

The Republican-led House is trying to give President Barack Obama the line-item veto, a power over the purse that has been sought by both Republican and Democratic presidents.

Republican Rick Santorum is looking to capitalize on a string of stunning victories that has snapped his four-state losing streak and raised new questions about front-runner Mitt Romney's clout with conservatives.

House Republicans have introduced their version of a bill to ban insider trading by thousands of federal officials and prevent lawmakers convicted of a crime from collecting their government pensions.

Mitt Romney's camp is downplaying last night's triple-state win by Republican presidential candidate Rick Santorum in Colorado and Minnesota's caucuses and Missouri's primary.