Sandra Tsing Loh, a self-described neurotic, nonachieving, downwardly mobile "Dumpy," has started to come out of denial over the fact that she does not live in Provence. Not only does she not live in Provence, she doesn't even live in a nice part of Los Angeles. This upper-lower-middle-class suburb in the sun-swept grid of the San Fernando Valley, consistently ranked one of the worst places to live in America, whose night sky is flamed by a million...