The G7 global minimum tax is a horrible idea. Here's why.

It's not "worth the paper it was written on."

From left to right, Australian Prime Minister Scott Morrison, German Chancellor Angela Merkel, South African President Cyril Ramaphosa, South Korean President Moon Jae-in, UK Prime Minister Boris Johnson, US President Joe Biden, French President Emmanuel Macron, and Canadian Prime Minister Justin Trudeau attend a working session during the G7 summit in …