Election reform advocates in Illinois announced this week that at least 22 percent of the individual contributions to Gov. Rod Blagojevich were from businesses that had state contracts worth $50,000 or more. The Illinois Campaign for Political Reform reported its findings after conducting a quick review of the governor's funding documents for the first six months of the year. The organization noted that a closer look of family members, subcontractors and other links to the contractors would probably send that 22 percent figure higher.   In fact, last March the suburban Daily Herald newspaper found that contractors, lobbyists and others seeking state regulatory approval for projects donated an overwhelming 73 percent of the $1.5 million that Blagojevich raised in the second half of 2007.   Illinois has generally taken an incremental approach to campaign finance reform­­-expand the flow of info one year, end some questionable practice a few years later, and so on. This spring, both the state House and Senate overwhelmingly approved a proposal that would ban large state contractors from making contributions to the political committee of the officeholder awarding the contract. That bill was sent to Blagojevich who has until Aug. 29 to make a decision whether to approve it, veto it, or rewrite it and seek legislative approval for his changes.   In 1970 Illinois Secretary of State Paul Powell died of a heart attack and he was lauded for 40 years of public service, including three terms as speaker of the state house. The adulation ended after it was reported that Powell left behind $800,000 in cash in his hotel room apartment. Some have attempted to rewrite Powell's legacy in the last decade. But the $800,000 gorilla never goes away.