Missing CDC doctor was passed up for promotion before his disappearance

Missing CDC doctor Timothy Cunningham was passed up for a promotion shortly before he disappeared without a trace more than two weeks ago, according to police.Cunningham, a highly regarded epidemiologist at the Centers for Disease Control and Prevention, went missing after he left work mid-day on Feb. 12.Atlanta Police Department Major Michael O'Connor said that on the morning of his disappearance, Cunningham called his sister before going to work and talking with his&nb