major city, so the fight there in a place that is very meaningful to the taliban may be tough. secretary gates also visited a small town called nauzad, an area under taliban control that he pointed out was essentially a ghost town for about four years. he walked through an afghan bazaar without wearing body armor so, clearly, a good story from the u.s. perspective about possibilities in the south when they put this new u.s. strategy into effect. and so secretary gates had a lot of opportunities to meet with troops and marines and also got to walk through that afghan bazaar and talk with some shopkeepers. jane: mike emanuel traveling with the secretary, thanks. jon: new developments concerning nasa and the white house. the obama administration is now calling for a space summit next month in florida. this after previous white house plans to scrap space shuttle operations at the end of the