Sen. Lindsey Graham’s (R-SC) colleagues are growing frustrated with his inconsistent positions. The South Carolina Republican voted repeatedly against $60 billion in aid to Ukraine, whose president Volodymyr Zelensky he visited last May in Kyiv, and the longtime hawk announced on the Senate floor that he would not attend the annual Munich Security Conference as he usually does, reported the Washington Post. “It marked a departure for the senator who was harshly critical of Donald Trump’s ‘America First’ foreign policy when he ran against him for president in 2015, in part on a message of launc…