Ironically, you have to go back to Sen. T. Bilbo to find anything comparable.
But as they showed when they were in Cuba kissing Castro's feet, they are Leftist radicals (who will leave race at the door) when they did not ask to meet with the jailed leading black Cuban dissident, Jorge Luis Garcia Perez. So in the end (as it always is) they are first, foremost and always Leftists.