John Authers, Columnist

You Can NOT Be Serious!

An umpire would have to judge Trump’s tariffs over the line.

April 3, 2025 at 4:42 AM UTC

John Authers is a senior editor for markets and Bloomberg Opinion columnist. A former chief markets commentator at the Financial Times, he is author of “The Fearful Rise of Markets.”

Now it’s in their court.
Photographer: Kent Nishimura/Bloomberg

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The most immediate response to Donald Trump’s Liberation Day tariff announcement must be to channel another son of Queens. As John McEnroe once said to a Wimbledon umpire: “You can NOT be serious!”