Associated Press: The Environmental Protection Agency on Wednesday slapped down California’s bid for first-in-the-nation greenhouse gas limits on cars, trucks and SUVs, denying a request for a waiver that would have allowed those restrictions to take effect. "The Bush administration is moving forward with a clear national solution – not a confusing patchwork of state rules," EPA Administrator Stephen L. Johnson told reporters on a conference call. "I believe this is a better approach …