By MARCIA DUNN CAPE CANAVERAL, Fla. (AP) — SpaceX’s first private flight streaked into orbit Wednesday night with two contest winners, a health care worker and their rich sponsor, the most ambitious leap yet in space tourism. It was the first time a spacecraft circled Earth with an all-amateur crew and no professional astronauts. “Punch it, SpaceX!” the flight's billionaire leader, Jared Isaacman,