With the shuttle fleet grounded and the International Space Station staffed by a skeleton crew, NASA is set to unveil plans on Monday to take people and cargo to the moon.Even before the official announcement, there is criticism from Capitol Hill over the reported $100 billion cost of the lunar program, given U.S. government commitments to the Iraq war and the recovery from Hurricane Katrina. "This plan is coming out at a time when the nation is facing significant budgetary challenges," Rep. Bart Gordon, a Tennessee Democrat on the House Science Committee, said in a statement. "Getting agreement to move...