Romney clean sweeps Nevada

Mitt Romney won the Nevada caucuses by a wide margin over second place finisher Newt Gingrich. But Gingrich said he would continue to fight for the nomination.<br /><br />Romney should have the wind on his back for the rest of February. He's favored to win in upcoming contests in Colorado, Minnesota, Michigan and other states. <br /><br />Al Jazeera's Rob Reynolds reports from Las Vegas.