The face of 1980s television was shaped by a man who stayed behind the scenes. Stephen Cannell's reluctant white knights--put-upon private eye James Rockford, World War II fly-boys the Black Sheep Squadron, hapless superhero Ralph Hinckley, fugitive mercenaries the A-Team, and maverick cop Hunter--traversed the television landscape from the 1970s to the 1990s. Cannell changed the face of the action-adventure genre, updating the crime-show format...