FIRST ON FOX: GOP presidential candidate Nikki Haley has vowed support for the party's eventual nominee after she signed a "Beat Biden" pledge required by the Republican National Committee (RNC) to ...

WASHINGTON - The first Republican primary debate is in two weeks, and candidates who have qualified to hit the stage must also sign a loyalty pledge that they will support the eventual Republican ...

Presidential candidate Chris Christie slammed the Republican National Committee’s requirement that candidates pledge support for the GOP’s eventual presidential nominee. "Look, I think the pledge is ...

Former New Jersey Gov. Chris Christie, who's running for the GOP presidential nomination, on Sunday called the Republican National Committee’s requirement for candidates to pledge support for the ...