The Republican presidential campaigns furiously traded accusations of dirty tricks Saturday as voters cast their ballots in South Carolina. Front-runner Donald Trump started the finger-pointing early, just before 9 a.m., when he slammed Ted Cruz as a "lowlife" politician for alleged robocalls. "Lying #TED Cruz just (on election day) came out with a sneak and sleazy Robocall," Trump tweeted. "He holds up the Bible but in fact is a true lowlife pol!" That was just the beginning. Marco Rubio's campaign released a statement calling on Cruz to repudiate calls suggesting Rubio is dropping out. "These calls are false, malicious, and...
