As Donald Trump sat in the Oval Office on Monday and announced that NATO would be buying U.S. weapons and shipping them to Kyiv, it was a major pivot for the U.S. president and for an administration that just two weeks ago halted the supply of some military hardware,

Sitting in the Oval Office with NATO Secretary-General Mark Rutte, and apparently fed up with being slow-walked by Russian President Vladimir Putin, Trump threatened the Kremlin with tough tariffs if it doesn't make a deal to end the war within 50 days. But perhaps more important was Trump's shift on weapons.