“There will only be an end to this war in three different scenarios: One, Putin conquers all of Ukraine, two, Ukraine pushes Russia out of Ukraine, or three, there’s a stalemate on the battlefield,” McFaul said.

“To me, option two and option three are the ones that we should be supporting,” he added, “and the way you do that is to give the Ukrainians [what] they need to achieve one of those two outcomes.”