Republicans

Huckabee, who previously sought the presidency in 2008, hosted a television program on Fox until January, when he ended the eponymous show to consider his political future.

Two more candidates got in on the Republican side Monday, including Ben Carson, who is black, and Carly Fiorina. It's the most diverse GOP field anyone can remember. But will it make a difference?

John Kasich is thinking about running for president. But the problem is whether he can get through a GOP primary, given some of his issue positions.

"We're not some sort of developing country," Rubio said Thursday, opposing reauthorization of the agency that helps finance American companies overseas. "We're a developed financial sector."

In Congress, just like at any storied American institution — McDonald's, New York Fashion Week, the Bush and Clinton families — trends come and go.

Imagine a time when presidential candidates declared just two months before Iowa. Flash back to 1979 when Ronald Reagan announced. It's not just timing that's shifted; so has the culture.

The Florida senator could be the youngest Republican in the presidential field, but he is fully confident he has the experience to lead.

Days into his campaign, Paul is pouncing on the mainstream media and Democrats, though he insists his short temper is "pretty equal opportunity."