CBS/YouGov online poll: Ted Cruz leads in Iowa; Donald Trump stays atop NH, SC December 20, 2015 · Leave a Comment Donald Trump, the national front-runner, keeps his big lead in two of the three early states of New Hampshire and South Carolina, but now Texas Sen. Ted Cruz has moved past Trump into a lead of his own in Iowa. CONT. CBS News Share:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)MoreClick to print (Opens in new window)