With friends like these: GOP race spurs awkward endorsements

FILE - In this March 14, 2016 file photo, Republican presidential candidate Donald Trump shakes hands with New Jersey Gov. Chris Christie in Hickory, N.C. Presidential endorsements often create strange alliances. But rarely have so many partnerships of political necessity appeared to be as reluctant, awkward, even downright tortured as in the 2016 GOP race. (AP Photo/Chuck Burton, File)