Bush official plays down opposition to tax plan Some in GOP skeptical, but Evans says program still not understood 01/13/2003 Associated Press WASHINGTON - The White House's lead salesman to Congress for the president's economic plan played down opposition from Senate Republicans, saying Sunday that the proposal is not fully understood. "I hope I'm going to take my business experience up to the Hill and talk about how the economy works and how businesses plan and how families plan and how they need a plan that has some permanency to it," Commerce Secretary Don Evans said on CBS' Face...