BAIKONUR, Kazakhstan - U.S. astronaut Edward Lu plans to don a badge from the Columbia mission when he blasts off Saturday in a Russian rocket, the first manned launch since the disaster. Lu said the mission to the international space station is not only filling the gap left by suspended shuttle flights - it's paying tribute to Columbia's seven astronauts. The shuttle disintegrated over Texas in February. "We are doing what I think they would have wanted and what their families would have wanted us to do - continue the process of flying into space," Lu said Friday. Russian and...