CNN Anderson Cooper 360 September 9, 2015 01:44:00
[ laughing ] >> all things are possible. [ laughing ] >> will you serve as his vice president? >> all things are possible. >> gary joins us now from san francisco. i mean it's interesting that donald trump has not gone after ben carson so far during the campaign. carson just said anything is possible when asked about trump as a running mate. but did he say anything negative about trump today? >> reporter: well, ben carson spoke about trump a couple of times and nothing negative at all. at one point carson was talking about the iraq nuclear agreement -- the iran nuclear agreement, that is, and ...