Leonard Chanin, assistant director of the Consumer Financial Protection Bureau’s Office of Regulations, where he is essentially the CFPB's chief rule writer, is leaving the bureau to return to private practice with the law firm of Morrison & Foerster, where he once practiced for many years. It's a big loss for the bureau, which prides itself on attracting many qualified and passionate individuals who want to make a difference by opting for a career in public service. Alan Kaplinsky, the practice leader of the...