Rain, wind clears Beijing air ahead of Olympics

BEIJING: After days of hazy, dark skies raised concerns about pollution levels during the Olympics, wind and rain helped clear Beijing's air Tuesday and officials hoped it will stay for the games' start next week.The heavy haze was among the worst seen in Beijing in the past month, despite drastic pollution controls put in force July 20 that included pulling half the city's 3.3 million vehicles off the roads