SAN JUAN, Puerto Rico — Mitt Romney scored an overwhelming win Sunday in Puerto Rico’s Republican presidential primary, trouncing chief rival Rick Santorum on the Caribbean island even as the two rivals looked ahead to more competitive contests this week … Continue reading»

Graphic: Mitt Romney outpaces rivals on TV ads

Republican front-runner Mitt Romney and his super political action committee Restore Our Future have outspent Newt Gingrich and Rick Santorum on TV advertising.