after the hour. nasa hopes third time is the time for the "discovery." they scrubbed two landing attempts yesterday. the next opportunity is an hour from now, 7:34 eastern at the kennedy space center. the seven astronauts are wrapping up a resupply mission to the space station. protesters shouted at the president asking what he was going to do about ending the military's don't ask-don't tell policy. >> she's passionate about fighting for california's families -- >> don't ask-don't tell. >> we are going to do that. hey, hold on a second. we are going to do that. >> yes, we can. >> what the young man was talking about, we need to repeal don't ask-don't tell, which i agree with and which we have begun to do.