Medical expert claims Trump had a stroke — and Air Force One stairs video tells the story

Donald Trump has had a stroke, a prominent clinical professor of medicine said, listing evidence he said he saw in the president's behavior.

"My impression is that President Trump has had a stroke, and I think there's several lines of evidence supporting that," said Professor Bruce Davidson, of Washington State University Elson S. Floyd College of Medicine, in Spokane, Washington. "I think his stroke was on the left side of the brain, which controls the right side of the body."

Davidson...