WASHINGTON (Reuters) - President Bush (news - web sites) is considering ideas for "a bold agenda" announcement as he faces re-election, including a possible new U.S. space mission, his chief of staff said on Sunday. Â "We have lots of suggestions that are being made by members of the president's Cabinet and administrators, like Sean O'Keefe of NASA (news - web sites). And the president will make a decision," said White House chief of staff Andrew Card. "But I guarantee he will have a bold agenda for this country," Card said when asked about a possible new moon mission on...