"I'm already working on the apology� for the apology," he told the monthly. "Because I'm very proud of what we did. It's one of the proudest moments in U2's history."

The interview, conducted shortly before his bicycling accident in Central Park, found him bullish on U2's unconventional release of their latest album, Songs of Innocence, which showed up in millions of people's iClouds, whether they wanted it or not.