Spirit on Mars Rekindles Speculation White House Will Send Humans By Leonard David,Senior Space Writer posted: 09:45 am ET, 08 January 2004 PASADENA, Calif. -- The landing of Spirit on Mars has rekindled speculation that U.S. President George Bush is on the verge of putting NASA on a new space policy trajectory, one that could lead to a human expedition to the red planet. By far the most persistent conjecture is that the Bush Administration has green-lighted a human return to the Moon as a stepping stone to planting footprints on the distant dunes of Mars. Officials here at...