CAPE CANAVERAL, Fla. -- A poorly designed flexible air hose used by one too many astronauts as a makeshift handhold caused the recent air leak at the International Space Station, NASA's top station manager said Friday. Analysis shows that a hole about one-tenth of an inch in diameter popped open at one end of the metallic hose in late December and started the slow leak that took controllers a couple of weeks to detect, and the astronauts to find and repair. Nearly two weeks later air pressure is almost back to normal inside the orbiting outpost and the quality of...