A well-known historian has cancelled a planned course at Columbia University, saying the school gave in to pressure from the Trump administration. Rashid Khalidi, the Edward Said professor emeritus of Modern Arab Studies at Columbia, announced the decision in an open letter published by The Guardian on Friday. “Although I have retired, I was scheduled to teach a large lecture course on this topic in the fall as a ‘special lecturer’, but I cannot do so under the conditions Columbia has accepted,” he wrote. Story continues below this ad The letter refers to a $200 million agreement between Columbia University...