Bloomberg: 37% support, 50% oppose
Rasmussen: 46% support, 40% oppose
NBC News / WSJ: 25% support, 57% oppose
YouGov: 45% support, 41% oppose
https://today.yougov.com/news/2015/12/11/two-thirds-republicans-back-trump-proposal/
https://today.yougov.com/news/2015/12/11/two-thirds-republicans-back-trump-proposal/