NPR News NASA Sets New Discovery Launch Date for July 4 By Nell Greenfieldboyce Published July 2, 2006 at 4:00 PM EDT Facebook Twitter LinkedIn Email Listen • 0:00 Win McNamee / Getty ImagesSpace shuttle Discovery astronauts ride in the astrovan on their way to boarding the shuttle at Kennedy Space Center July 2, 2006, in Cape Canaveral, Fla. The launch was later halted due to poor weather. Copyright 2006 NPR