WASHINGTON One thing you've got to say for Dick Cheney: No one will ever again dismiss the vice presidency as a pitcher of warm spit. Mr. Major League Potty Mouth has shown that, with obsequiousness to the president and obtuseness to the facts, a vice president can run the world. Right into the ground.This week, it's not just Democrats who are questioning whether Vice is losing it. Now, even some in the White House are saying it's bizarre that he chose a class photo-op on the Senate floor to suggest that Senator Patrick Leahy do something that you won't even...