With friends like these: GOP race spurs awkward endorsements

FILE - In this Dec. 15, 2015 file photo, Republican presidential candidate Donald Trump shakes hands with then-follow candidate Jeb Bush following the CNN Republican presidential debate in Las Vegas. 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/John Locher, File)