Even before the doors of the First Union Center swung open for the U.S. debut of Madonna's Drowned World Tour on Saturday night, Greg Packer knew exactly what he was in for.
History was on the mind of Greg Packer, a New Yorker visiting ground zero for the fourth time. "Each time, it just gets harder and harder," he said. "But there's nothing more important than to see this. This is more important to me than any concert or game that I've ever seen, because this is history."