(02-08) 09:45 PST WASHINGTON D.C. -- A political odd couple, House Speaker Nancy Pelosi and White House spokesman Tony Snow, today slammed critics of Pelosi's bid to use a government plane that can fly her nonstop between Washington and her home district in San Francisco. "This is a silly story, and I think it's been unfair to the speaker,'' Snow told reporters. E-mail Edward Epstein at eepstein@sfchronicle.com.