SpaceX debuts new crew capsule in crucial test flight By MARCIA DUNN, AP Aerospace Writer CAPE CANAVERAL, Fla. (AP) — SpaceX closes in on human spaceflight with this weekend's debut of a new capsule designed for astronauts. The six-day test flight will be real in every regard, beginning with a Florida liftoff Saturday and a docking the next day with the International Space Station. But the Dragon capsule