Roger Federer: 'I need the fire, the excitement, the whole rollercoaster'

He has a reputation for cool, but the athlete says tennis is pure emotion - from his moody youth to weepy grand slam finals. Can he win another Wimbledon? Roger Federer slowly, lovingly, takes the wrapping off his new racket, like a little boy with a giant lollipop. "It's my Wimbledon racket," he says. He runs his fingers along the frame, bounces a hand against its head. He's got plenty of rackets, of course - he'll sometimes use nine in one match - but this is the one he'll start with. With a b...