Military discipline isn't exactly my bag, so I don't know if this represents a new approach or merely a return to pre-Bush standard operating procedure. But we spent years bemoaning the lack of accountability under Rumsfeld, so let's acknowledge the welcome change that's taken place under Robert Gates. Nukes mistakenly get flown across the country on your watch? Your aircraft carrier gets taken out by a fire and needs $70 million of repairs after some sailors smoke in a prohibited area? Guess what: your career's over. A novel concept.