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.”

After President Donald Trump threatened to impose "very severe" economic penalties against Vladimir Putin's Russia if he doesn't agree to a ceasefire in Ukraine within 50 days, the Trump administration has so far declined to provide many additional details about the consequences Russia will face or why he picked the deadline he chose.