Rick Santorum

After finishing in third place in Iowa, Rubio's benefiting from more attention, although it may not be as flattering as he would hope.

The former U.S. senator from Pennsylvania's resounding defeat in Iowa was apparently the death knell for his floundering bid for the White House.

Donald Trump, Ted Cruz, Marco Rubio, and others are appealing to prejudices.

Carly Fiorina gets personal toward Hillary Clinton, and Jim Gilmore participates in only his second debate.

Plus: Carly Fiorina takes a shot at Hillary Clinton's marriage; Mike Huckabee urges Americans to pray; Rick Santorum talks about children's need for a mother and father.

A battle over the votes of social conservatives in Iowa again has Ted Cruz being called weak on marriage equality opposition.

The candidates in the early debate claim President Obama hasn't done enough to fight terrorism, but they also decry Donald Trump's call to keep Muslims from immigrating to the U.S.

Bobby Jindal and Rick Santorum trot out their antigay cred in the 'kids' table' debate.

The antigay former senator's days in the presidential race may be numbered.

It was a 'flippant comment' that he's sorry he made, Santorum tells Rachel Maddow, but he stands by the point he was attempting to make.

Santorum has pounced on Scott Walker's wife Tonette admitting she's 'torn' on the issue of same-sex marriage as an apparent weakness in Walker's resolve on the issue.

The antigay GOP presidential candidate babbled his way through an interview question Sunday when challenged about whether same-sex couples can raise happy, healthy kids.

Rick Santorum says he'll fight the Supreme Court if it rules for marriage equality this month. Here's why that threat may not matter.