Astronauts lose bolt during spacewalk (AP)

CAPE CANAVERAL, Fla. - Spacewalking astronauts worried they have may have gummed up a successful job connecting an addition to the international space station Tuesday when a bolt, spring and washer floated free. Astronaut Joe Tanner was working with the bolt when it sprang loose, floated over the head of Heidemarie Stefanyshyn-Piper and skittered across the 17 1/2-ton box-like truss that they were hooking up. While the washer went out into space safely, Tanner worried the bolt and spring could ...