Donald Trump has over double the voter support of any Republican White House hopeful nationwide, according to a new poll. Over 4 in 10 Americans are backing Trump's campaign after his victory in New Hampshire's GOP primary last Tuesday, according to a Morning Consult survey released Friday. ... Trump is also viewed favorably by over 6 in 10 of his party's voters, pollsters found. He has a 67 percent favorability rating, while Rubio takes 62 percent and Cruz 61 percent.