See full CNN/WMUR Poll

Mitt Romney has widened his lead in New Hampshire with his support growing from 25 percent to 33 percent since September, with John McCain at 18 percent and Rudy Giuliani at 16 percent. Ron Paul increased his standing from 4 percent to 8 percent, while Fred Thompson plummeted from 13 percent to 4percent. The poll of 404 Republican voters was conducted last week by the University of New Hampshire. The sampling error is 5 percent.