An L.A. organization that matches underprivileged girls with surplus designer dresses and shoes just in time for prom is facing the twin problems of increasing need and decreasing donations this spring.

In the biggest literary hoax since... well, last week, when that Holocaust memoir turned out to be entirely fabricated, 33-year-old Margaret B. Jones, whose new memoir of foster homes and gang violence, Love and Consequences, has been revealed to be a hoax by the New York Times. In Love and Consequences, Jones —…