Donald Trump is gaining more momentum ahead of his potential 2012 presidential run. A new CNN/Opinion Research Corporation poll out today finds Trump tied with Mike Huckabee atop the field of potential GOP White House contenders. According to the poll, Trump and Huckabee both garner 19 percent support among likely GOP voters. Sarah Palin comes in second, with 12 percent, while Mitt Romney and Newt Gingrich are tied atthird, with 11 percent support each.