Sen. J.D. Vance (R-OH) earned some criticism from foreign policy expert Ian Bremmer on Wednesday for his defiant insistence that the United States should cut off Ukraine from receiving foreign aid.Appearing on CNN, Bremmer, a political scientist for Eurasia Group, commented on the success Russia has had in convincing many Republicans to tow the Kremlin line when it comes to the war in Ukraine, which Russia launched two years ago.In particular, h…