The Latest: Rick Santorum favors curbs on legal immigration

The latest on the Republican presidential contenders wooing social conservatives at the annual Family Leadership Summit in Ames, Iowa, an event that's attracting thousands of potential Iowa caucus-goers.

Several Republicans presidential candidates are vowing to stop illegal immigration.

The former Pennsylvania senator says the vast majority of immigrants coming into the U.S. — legally and illegally — are driving down wages for American-born workers.

Santorum tells Iowa evangelical voters on Saturday that "we need to hold the line and stop illegal immigration" while reducing legal immigration of unskilled workers by 25 percent.

Santorum is among 10 presidential candidates courting religious conservatives in Iowa.

Hillary Clinton may not be at Saturday's conservative Christian conference in Iowa, but that's not stopping some of the 2016 Republican presidential candidates who are there from taking shots at her.

During a news conference after his appearance, Trump did not apologize but tried to clarify his remarks: If a person is captured, they're a hero as far as I'm concerned.

Republican presidential candidate Donald Trump is again criticizing a well-respected member of his own party.

Others fear that heading a third-party, Trump could siphon votes away from the eventual Republican nominee and ultimately cost the GOP the presidency.