Patrick Buchanan is usually a great writer. He must have had Scrooge's indigestion when he was writing today about the consequences to the GOP of impotently voting against Obama's Iran Deal…he thinks their veto response will demonstrate whether or not the Repubs can govern. "You may be an undigested bit of beef, a blot of mustard, a crumb of cheese, a fragment of an underdone potato. There’s more of gravy than of grave about you, whatever you are!" Charles Dickens, "Christmas Carol"  Buchanan goes off on a tangent about Nixon in China after the ChiComs had killed so many Yanks in...