After watching Microsoft stock fall despite this year's tech rally, Microsoft shareholders sharply questioned Chairman Bill Gates and Chief Executive Steve Ballmer during the company's annual meeting yesterday in Bellevue. Investors in general are more skeptical after recent corporate scandals and, after three relatively weak years for Microsoft's stock, there were few cheers from the crowd of 1,250 at Meydenbauer Center. Shareholders did not go so far as to throw out any board members, all of whom were re-elected yesterday, and they approved changes to the stock-option plan that Ballmer proposed in July. But they asked when the company will...