Republican presidential front-runner Donald Trump has a 14-point edge over Sen. Ted Cruz, his nearest rival, according to a new national poll. Trump garners 34 percent support in the Fox News poll released Friday, with Cruz at 20 percent. Sen. Marco Rubio (R-Fla.) ranks third with 11 percent, followed by retired neurosurgeon Ben Carson at 8 percent. Former Forida Gov. Jeb Bush and Ohio Gov. John Kasich tie for fifth with 4 percent apiece. The poll also found that Cruz and Trump are the most popular second choice for likely Republican primary voters. Cruz is the second choice for 22...