MARK COLVIN: The venues are built and the athletes are ready to go for a successful Beijing Olympics, two big things are now needed: Clean air and good media coverage.

• 为了一次成功的北京奥运会，各场馆已建造完毕，运动员们也整装待发，还需要有两件大事：干净的空气和成功的新闻报道。