LONDON, ENGLAND T. BERDYCH/R. Federer 6-4, 3-6, 6-1, 6-4 THE MODERATOR: Good afternoon, everyone. Roger Federer. Q. Difficult moment, but what couldn't you do that you wanted to do? What let you down? ROGER FEDERER: Uhm, well, I mean, I don't think I played poorly. But, uhm, I think he went after it. I mean, I know Berdych. I think I've played him 10 times already before. That's the way he plays,