holsinger will be backing him.will be backing her. -- deking him. -- backing him. >> he's just rubio will regret taking that endorsement because of singer's background. he moved up a little bit in the polls. can he raise money? he is not going to explode in fund-raising. he's still one of a handful of people who can win this nomination. people are worried about jeb bush, chris christie and john kasich. david: in new hampshire, the first primary will take place, martin o'malley being the first candidate to get his name on the ballot. mark: trump did the same thing. it's a tradition to do it in person. david: thank you very much. mark halperin, managing editor of bloomberg politics. 5:00 will be on tonight at .astern time facebook set to report third quarter earnings after the bell. how did the role of mobile play in revenue? we have a preview, next. ♪ david: welcome back to bloomberg markets. facebook will release third-quarter earnings later this afternoon. the stock passing massive growth over the past year, curre