BULL-HEADEDThe next Harriet Miers? Has Bush taken on another inevitably losing issue?http://www.thecarpetbaggerreport.com/archives/6673.htmlThe biggest GOP revolt since Harriet Miers . . http://www.nytimes.com/2006/02/22/politics/22port.htmlPresident Bush, trying to put down a rapidly escalating rebellion among leaders of his own party, said Tuesday that he would veto any legislation blocking a