Donald Trump and Ben Carson together have over 50 percent support in the latest Iowa polling, while big names like Jeb Bush, Marco Rubio and Scott Walker are stuck in single digits. Former RNC chairman Haley Barbour weighs in on the 2016 race.Sept. 8, 2015
UP NEXT
Meacham: Barr's decided his fate is better off with Trump than the rule of law
04:52
Trump says AG Barr did 'a really great job' after Cap Hill testimony
05:05
Atty. General Barr gives a full-throated defense of Trump in Senate testimony
12:39
GOP gloss on Mueller report risks normalizing Trump behavior
03:58
Clinton: Mueller report shows that the Russians were successful