Incidents of widespread panic were reported across the country today as millions of terrified Americans fled Katie Couric, the host of the NBC's "Today Show." The frenzied exodus marked the latest turn in the storied career of the morning host, once considered America's sweetheart but now widely seen as a ruthless diva capable of crushing all in her path at the slightest whim. Gregory Drunson, 42, was one of hundreds who jammed a Greyhound bus terminal in Flint, Michigan, desperate to flee to Canada and be as far away as possible from the once-chirpy morning despot. "I used to watch...