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. "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...