On this black Monday, congressional Republicans undermined generations of legislative history and precedent to help a president who then, before the sun had set, undermined the will of Congress in its battle to rein in the Russians. Some will call this treason. Others, obstruction of justice. I’d rather call it giving aid and comfort to the enemy. The really bad news of the day was the inescapable conclusion that the real enemy America faces is not foreign, but domestic.