President Donald Trump spoke on Tuesday with the sultan of Oman about the next round of Iran talks scheduled for Saturday in Oman, the White House said.

Trump attended a medical appointment at the Walter Reed National Military Medical Center on Friday—the first physical of his second presidential term. Trump consented to Dr. Sean Barbabella, the President's White House physician, releasing the results of his cognitive test and physical examination and tests.

President Donald Trump escalated his war against elite US universities Tuesday with a threat to strip Harvard's tax-exempt status if the country's most famous educational establishment refuses to submit to wide-ranging government oversight.