After more than 19 years at The Miami Herald, Associate Editor and Researcher Steve Doig is leaving to become Knight Professor of Journalism at Arizona State University, Tempe. Dan Keating will move from the Herald's Broward office to replace Doig, and the Herald is searching for a reporter with CAR skills to fill the Broward opening. Send resume and clips to: Rick Hirsch, Broward City Editor, The Miami Herald, 3325 Hollywood Blvd, Suite #102, Hollywood, Fla., 33021.