Republican presidential candidate Ted Cruz has surged ahead to become the latest front-runner in the campaign for the Iowa caucuses, dislodging Ben Carson and opening an impressive lead over a stalled Donald Trump, a Bloomberg Politics/Des Moines Register Iowa Poll shows.
The firebrand junior senator from Texas is backed by 31 percent of those likely to attend the Republican caucuses that start the presidential nomination season on Feb. 1. Trump is a distant second at 21 percent, up slightly from 19 percent in October, but below his peak of 23 percent in August.
