A tight labor market leads some Michigan companies to change marijuana testing policy

Tammy Turner and Kerry Buffington, the co-owners of Kapstone Employment Services in Detroit, had to have a conversation with a client recently that they're not used to having.

"We actually had to go to them and say, 'Listen, this is not being consistent with the labor market now. Marijuana is legal and you're passing up on good talent,' " Turner remembers telling the client.

Turner said they were interviewing candidates for open positions at this company, and staff at their employment agency ask candidates whether they can pass a drug test as a part of their routine questions. She said, more often than not, candidates are honest and will say whether they would test positive for marijuana.