Billion-dollar expansion work at Mineta San Jose International Airport came to a halt this morning after a 28-year-old construction worker's arms were severed below his elbows in an accident. Yikes. According to NBC 11, "the 28-year-old construction worker somehow became entangled in the equipment that drives long posts into the ground with quick movements, the San Jose Mercury News reported." It appears that the accident involved pile driving work for "a new roadway just......