A former Air Force intelligence officer has pleaded guilty to lying to a federal agent by falsely claiming that her estranged astronaut wife illegally accessed her bank account while aboard the International Space Station for six months, prosecutors in Houston, Texas, said Friday. The guilty plea by Summer Worden, 50, on Thursday comes more than five years after she was indicted in the space case for lying about actions by her wife, Anne McClain , a U.S. Army colonel, while they were in the