into the syrian territory recently abandoned by the u.s. >> maybe he's going to probe us with some nato country, maybe montenegro, maybe estonia. my concern is this inconstant si, i'm worried it's going to lead tie lot of tests of the united states. >> more tests haase believes because the u.s. president has less credibility. >> and there's no person's credibility that matters more than the president of the united states. it is the person with whom billions of people around the world through their governments have placed their futures, their faith, their security, their confidence. >> up next, the impact of trump's lies on the human mind. >> as dishonesty gradually increases, the reaction of the public actually decreases. dad, we need to talk about something important.