That included a Monday joint statement from Republican Sen. Lindsey Graham and Democratic Sen. Richard Blumenthal calling Trump’s threat of ramped-up economic penalties if Russia doesn’t cut a peace deal in next 50 days “a real executive hammer to drive the parties to the negotiating table.”

In a major policy shift underscoring his growing frustration with President Vladimir Putin, Trump on Monday announced new deliveries of weapons to Ukraine and warned that buyers of Russian exports could face sanctions unless Russia agrees to a peace deal on Ukraine.