Roger Federer rejuvenated and ready to write his latest script in Dubai

• Federer: ‘I wanted to be in good shape so I came early this year’
• Swiss eight-times champion but could face Andy Murray in semi-finalNot even the ageless Roger Federer was on the Tour when the Dubai championships began 25 years ago but the Swiss, newly decorated as a major champion after shaking up the tennis world in Melbourne, is happy to go into this week’s tournament as the hunted again.“I’ve had some great years here in Dubai,” Federer, an e