Rogue knob could ground space shuttle Atlantis

NASA is pondering how to remove a rogue knob which has firmly wedged itself between a window and the dashboard of space shuttle Atlantis - an apparently minor affair which could actually result in a six-month delay in the venerable vehicle's STS-129 mission to the International Space Station, or even see the shuttle grounded for good. According to NASAspaceflight.com, the offending part is "a