US Defense Secretary Donald Rumsfeld brushed off calls for his resignation and said he had no plans to step down. "I'm hard at the job, working hard, and getting up every day and thinking what we can do for the troops and the wonderful people who serve our country," he told reporters ... Rumsfeld also was asked about a New York Times column by Maureen Dowd, who said Rumsfeld was being treated at the White House as "an eccentric uncle." "If you believe everything you read in Maureen Dowd, you better get a life.