The Times-Tribune, December 16, 2012, Sunday

The Times-Tribune

December 16, 2012, Sunday

The Times-Tribune (full article)

Pot legal in some states, but using it might breach employee rules

John Bishop, Ph.D., a professor of human resources at Cornell University said random drug testing is rare because it is expensive.

More common is drug testing upon hiring. It becomes more important for high security jobs, truck drivers and others where the safety of others is an issue he said.

"I don't expect a quick change in labor policies," he said. "Anytime there is a change in society norms, workplace policies evolve."