After struggling at the GOP presidential debate, Jeb Bush took his case straight to New Hampshire, where he addressed a crowd outside Geno's Chowder and Sandwich Shop in Portsmouth, N.H.
Republican presidential candidate Ben Carson's campaign has been a fast-adopter of targeting people on Facebook. He has more than 4 million likes on the social media site, more than any other candidate.
Former GOP presidential nominee Mitt Romney struggled to distance himself from the health care program he implemented in Massachusetts. Now he has acknowledged it was a precursor to Obamacare.
In 2013, then-Secretary of State Hillary Clinton testified on Capitol Hill about the attacks on the U.S. diplomatic outpost in Benghazi, Libya. Today she'll testify again.
Manuel Balce Ceneta/AP
Rep. Paul Ryan, R- Wis., at a news conference following a meeting of House Republicans on Tuesday night. Ryan says he will run for House speaker if the disparate GOP factions can get behind him.