George Soros is an exacting taskmaster. In return for his money, he demands productivity. What he requires of employees and business associates in the investment world, Soros also demands from the political operatives he funds. “Mr. Soros isn't just writing checks and watching,” notes Wall Street Journalreporter Jeanne Cummings. “He is also imposing a business model on the notoriously unruly world of politics. He demands objective evidence of progress, and assigned an aide to monitor the groups he supports. He studies private polls to track the impact of an anti-Bush advertising campaign, and he is delivering his money in installments,...