You may have read a bit about an anonymous flier urging Muni drivers to call in sick and not show up to work on Sept. 13 through Sept. 17. The Transportation Workers Union denies responsibility, and it's not yet clear whether this is all a hoax or drivers really will spontaneously develop the sniffles on the aforementioned dates (which just happen to be during a Giants-Dodgers home series).

Whether it's valid or not, some items on the flier are worth looking at more thoroughly: