AP Analysis: Billionaires fuel powerful state charter groups

SEATTLE (AP) — Dollar for dollar, the beleaguered movement to bring charter schools to Washington state has had no bigger champion than billionaire Bill Gates.The Microsoft co-founder gave millions of dollars to see a charter school law approved despite multiple failed ballot referendums. And his private foundation not only helped create the Washington State Charter Schools Association, but has at times contributed what amounts to an entire year's worth of revenues for the 5-year-old chart