I am, because if some celeb has to be rescheduled, they can always grab someone else who’s famous and in town that night. Keith Olbermann was notorious for being the fill-in guy for Letterman when he needed a substitute guest. The librarian from Iowa, in the other hand, is taking time off work and flying to LA on her own dime (yes indeed) to be on Jeopardy; suddenly bumping her to a later taping can be a major disruption for her and the other 9 contestants who similarly flew out for that day’s taping.