Is there a power struggle brewing between Las Vegas billionaire Kirk Kerkorian, the largest individual holder of General Motors stock and CEO and company chairman Rick Wagoner? Jerry York turns in his resignation just two days after his negotiations to form an alliance between GM and Nissan Motor Company and Renault SA fell through. He tenders his resignation with a "scathing letter that criticized the company's management practices. "York labeled the board as being too passive towards GM management and said he had grave reservations about GM's ability to compete with Asian automakers. York's resignation potentially sets up a power struggle for GM between Kerkorian and company chairman and CEO Rick Wagoner, analysts and industry experts say. Kerkorian and York, a former Chrysler executive, are not likely to go away quietly, they say. "Kerkorian is an aggressive investor," said David Cole, chairman of the Center for Automotive Research in Ann Arbor." It's Act 12, Scene 50 in an endless drama going on here. It's Act 12, Scene 50 in an endless drama here. It's not going to stop for a while." Wagoner, who started at GM almost 30 years ago as an analyst in the treasurer's office, looked vulnerable last year as GM racked up $10.6 billion in losses. But he gained strength in the last six months as GM's fortunes improved and the board of directors rallied behind him." The full article will be available on the Web for a limited time: http://www.freep.com/apps/pbcs.dll/article?AID=/20061007/BUSINESS01/610070337/1014 Pam