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The mayor faced questions from reporters today about his decision to take a helicopter to the U2 concert at the Meadowlands last night (he wanted to "say hello" to his "friend" Bono), since he's been busy pushing environmental awareness the past couple of days. His response: "I suppose you could say that, but you know, there's other ways to get around and there are different ways of—some are more energy efficient. I could have walked and swum across the rivers as well. That would have used less." [NYT]