Bill Gates is smiling again. The boyish enthusiasm is back,and the gruelling burdens of monopoly lawsuits and dotcom downturns are receding.

• 比尔·盖茨再次微笑了，他那孩童般的热情又回来了，那场令人身心疲惫的反袭断诉讼案以及网络公司低迷徘徊的局面正接近尾声。