Working for the city of San Diego must be very dangerous. Fourteen of every 1,000 people employed by the city end up applying for a disability retirement. Compare that to the rest of the nation, where 0.5 of every 1,000 workers applies for the benefit. Either working for the city is 28 times more dangerous than other gigs or something's askew. How about this: More than 22 percent of the city's retirees are collecting a disability retirement. That means they've abruptly stopped working and started collecting at least half of their salary for the rest of their lives -- an...