for the late on the north korean crisis. plus this -- what if north korea actually did launch a missile? is the u.s. ready for that? the high-tech on how america might fend off a nuclear attack. we gave people a sticker and had them show us. we learned a lot of us have known someone who's lived well into their 90s. and that's a great thing. but even though we're living longer, one thing that hasn't changed: the official retirement age. ♪ the question is how do you make sure you have the money you need to enjoy all of these years. ♪ understanding you clearly... what is the capital of zimbabwe ? ... the first time you ask with the google voice search. the droid razr maxx hd by motorola. droid recognition. droid powerful.