Concerts usually start later than the time on the ticket, but apparently 2.5 hours later (with only a DJ as your opening act) is a bit too late for the people of Philadelphia. The CBS affiliate in Philly is reporting that the crowd turned on Madonna when she finally took the stage at 10:30 pm (for an 8 pm show) but the boos were probably quieter than they could have been… because some concert-goers had already given up and left. [More]