Another insight you will glean in a Harvard negotiation class is to grasp your opponent’s interests. In Mr Trump’s practice, this means bagging a deal and bragging about it. He wrote a whole book on the topic. It could go on a syllabus. ■

After the Trump administration froze federal funds, what can Duke expect based on actions against other private universities?

The sum sought by the government is more than twice as much as the $200 million fine that Columbia University said it would pay when it settled its clash with the White House last week.