McClatchy Newspapers: Despite a Supreme Court order telling it to act, the Environmental Protection Agency said Friday that it couldn’t propose any regulation of greenhouse gases under the Clean Air Act because the issue was too complex and there were too many objections from other federal agencies. Critics said the EPA announcement, contained in a 588-page report that calls for 120 days of public comment, was tantamount to the Bush administration refusing to carry out a Supreme Court order. But EPA …