Pump up the volume

George Shaheen must have been feeling a bit giddy when he sat down in October for interviews with Forbes and Business Week. The former CEO of Anderson Consulting, who only weeks earlier shocked employees with his resignation, had taken the helm of Webvan Group, an online grocer heading toward an internet IPO that has turned mere mortals into millionaires. With options to buy 15 mn shares at $8 a piece, Shaheen stood to make a paper profit of some $180 mn. But perhaps it was more than just