Republicans

The South Carolina governor's response to President Obama's State of the Union highlighted a reality for Haley — for some, she is too "brown." For others, not brown enough.

With less than three weeks to go before voting begins, watch for skirmishes to break out at Thursday's Republican debate — from attacks on Donald Trump to establishment candidates vying for position.

Here are four ways to understand the controversy that the Texas senator finds himself in after it was revealed that his Senate campaign did not disclose a loan from the Wall Street investment giant.

Recent studies have found that background checks can help curb gun violence. In recent shootings, though, evidence is tougher to see.

Call it the "couch caucus." At least 40 members of Congress sleep in their offices — from freshman Kristi Noem to Speaker Paul Ryan. It's one way to save a buck, until you see a mouse.

Republicans have hammered President Obama for underestimating ISIS and naively allowing it to grow by leaving Iraq. But the withdrawal is only one factor in the rise of the extremists.

"Evangelical" is one of the most poorly defined terms in the U.S. political conversation.

National security and terrorism have been a top issue for Republicans, but they have gained even more importance after the Paris and San Bernardino, Calif., attacks.

Marco Rubio and Donald Trump held rallies in Nevada before Tuesday's debate just one mile apart from each other. But Rubio's was traditional and low key; Trump's was the opposite.