President Donald Trump’s lack of judgment as he ages is jeopardizing global peace efforts, one psychologist says. Dr. John Gartner, a former Johns Hopkins professor who said months ago that Trump was showing “clinical signs of dementia,” told The Daily Beast Podcast that the 79-year-old commander in chief’s lack of impulse control doesn’t bode well for the increasingly tenuous world order. “It’s such a terrible combination, because we have a constitutional crisis of sorts, right, where a president has really disregarded all of the checks and balances,” Gartner told host Joanna Coles. “But we have someone with a brain disorder, OK? A deteriorating brain disorder, so they have no internal controls or judgment.” Read more at The Daily Beast.