Thomas Edison invented the incandescent light bulb in the 1870's. He helped found General Electric, which has provided jobs for countless workers to make incandescent light bulbs. Now, that's changing and American workers may be left in the dark. This month, GE's last incandescent light-bulb factory is closing down and some 200 employees will be out of work. Peter Whoriskey covers manufacturing for the Washington Post.
KCRW
