SpaceX says accident probe will not slow space taxi effort

By Irene Klotz CAPE CANAVERAL, Fla. (Reuters) - SpaceX on Thursday said efforts to develop and certify a space taxi for NASA are not being slowed by an investigation into a launch pad fire that destroyed its rocket and a $200 million Israeli communications satellite. Boeing Co and SpaceX, owned and operated by technology entrepreneur Elon Musk, are building spaceships to fly NASA astronauts to the International Space Station, a $100 billion laboratory that flies 250 miles (400 km) above Earth. N