Debate preview: Border surge will be top issue

The second Republican primary debate will be hosted tonight at the Ronald Reagan Presidential Library in Simi Valley, CA. It will air on Fox Business and Univision at 9 p.m. ET. Before the debate began, LiveNOW's Andrew Craft spoke about who will be competing and what issues will be center stage with FOX 11 Los Angeles anchor Elex Michaelson. More LiveNOW from FOX streaming video