Fan overreaction aside, I do think that it is bull shit that they are changing the concert date like this at the last minute. I'd be royally pissed, too, if I were coming from another city and already had hotel and plane reservations booked, which takes a lot of planning and rearranging things in your life to make it work, and then, boom, they pull the rug out from under you at the last minute. Hell, I don't even like Lady Gaga, but it's bull shit.