Biden says Trump is 'smart enough to know half of what he's saying makes no sense'

Vice President Joe Biden questioned Donald Trump's sincerity during an interview Tuesday, saying a lot of what he's proposing-- including building a giant wall along the border with Mexico and barring Muslims from entering the U.S. -- is "showmanship." "I believe he's smart enough to know half of what he's saying makes no sense," Biden told Bloomberg. He said he's not sure what Trump's motives are, "but I know what he's preaching is a very, very dangerous brew for America. Is this just a guy doi...