anything like that, let alone my husband. his wife has never spoken about what happened until now. battery-powered brains. an experimental surgery that can literally change people s minds. it felt fantastic. i didn t care what was doing it. is it a cure for depression? revealing investigations. fascinating characters. stories with impact. this is cnn presents with tonight s hosts, randi kaye and drew griffin. 15 years ago congress knew it had a big problem. its military housing was in a desperate state. 180,000 units around the world built cheap and now falling apart. facing a billion-dollar repair bill, congress had a big idea. turn the housing over to private companies and let the free market do its work. but as cnn s deborah feyerick reports, for many families living in those homes that big idea has been a disaster. and the men and women who served to protect us are fighting a losing battle at home. reporter: when these sailors and marines left the u.