Once a Magnet, Becoming a Pariah

Canadian Prime Minister Mark Carney may have summarized the reality best: 'The old relationship we had with the United States is over.'

I have family members who live in other countries and are reluctant to visit America now. I have former students who come from abroad and are wondering whether they can stay here. I have friends in Europe who have reached out to check if I’m OK and to say they can’t believe what’s happening in America.

Last month air travel to the U.S. by foreign tourist…