President Donald Trump seems to have learned the lesson painfully gleaned by all his 21st-century predecessors: You can’t reset US relations with Vladimir Putin.

Vladimir Putin ordered the largest-ever bombardment of Ukraine hours after coming off the phone to Donald Trump. More than 550 drones and missiles were launched at Ukraine overnight, with Kyiv bearing the brunt of the seven-hour barrage. It left one dead, 23 injured and the capital choked by explosions, smoke and fires.

A week ago today, Trump had an hourlong phone call with Russian President Vladimir Putin. And after that, everything changed. The end of the affair: The U.S. president — who in January came into office claiming he could strike a peace deal with Putin on Day One;