Eight Republican presidential candidates meet at the Reagan Library for a debate. It's the first match-up since Texas Governor Rick Perry joined the race less than a month ago. Perry weighed staying in Texas where wildfires are raging, but his campaign says he plans to be in place in California tonight. What are Republican voters looking for in a candidate, and who has the most to gain - and lose - tonight? We're joined by Politico reporter Molly Ball and GOP strategist Reed Galen.