favors. with the loss of 128 points yesterday, the dow has lost ground on seven of the last eight trading days. the blue chip industrials are up 15% for the year so far. many analysts say the big worry is the fight over the debt ceiling. of course the shutdown affects parts of the government which most of us wouldn't think of right away. >> for instance, nasa, the johnson space center in houston is the only operation open because six crew members on the international space station. >> gina is in houston. how many employees are on the job this morning? not as many as there should be. >> reporter: well, there are 3,200 civilian employees at the johnson space center. that doesn't count contractors. they are covered under a separate issue. nasa is keeping 200, what they say are critical needs employees on staff at mission control. when the clock strikes midnight,