Only hours after the news broke, Katie Couric thought Rush Limbaugh's drug problem was funny. So funny as a matter of fact, that she made up a story about sitting next to him on the plane and asking for an aspirin - you get the rest. She told it with a baby-girl hair flip. It wasn't funny. During the Democrat debate last week, John Kerry thought Rush's pain was funny and took a shot. That wasn't funny either. For hard-pressed liberals, merchandising Rush Limbaugh's admitted pill addiction will be an interesting test of individual sensitivity and a telling reality check...