>> donald j. trump is calling for a total and complete shutdown of muslims entering the united states until our country's representatives can figure out what the ( bleep ) is going on. >> reporter: and then the video goes on and says, "the west will eventually turn against its muslim citizens." they're saying to muslims either you join jihad or leave the united states because of what mr. trump is proposing. >> look, it's a problem. i bring it up. other people have called me and they say, "you have guts to bring it up because, frankly, it's true," but nobody wants to get involved. now people are getting involved. people are that on different persuasions thoon me right now, john, are saying, "you know, maybe trump isn't wrong. >> reporter: donald trump's big strength is his bluntness. that's what voters like about him. but when it comes to being commander in chief, bluntness can have consequences and this is an example of that. but there's beeny no evidence so far that this is hurting...