there is controversy over this issue. we'll bring you back more information when they get to that podium. in the meantime, a new frontrunner in the race for the republican nomination today. dr. ben carson, for the very first time, is the person who is leading in a national poll in this race. and it comes just one day before the next gop debate as they get ready to brush up on their talking points and get up there behind the podium tomorrow evening. welcome, everybody, to brand new hour of "america's newsroom." i'm martha maccallum. bill: i'm bill hemmer. good morning. republican candidates ready to take the stage for third debate tomorrow night in colorado. most of the attention will focus on two front-runners, that is dr. carson and donald trump. in a brand new national poll, as some folks wondering whether or not carson is having a breakout moment. martha: "new york times/cbs" poll gives carson a four-point edge as you look at that, but the margin of error is plus or