Legalization of marijuana, whether for medical or recreational use, is rolling out across the country.  As marijuana becomes legal in more states, employers must implement and enforce firm policies on how marijuana use will be tolerated.  Last year Michigan became the 10th state to legalize marijuana for adults 21 and older.  This leaves employers faced with the dilemma, do they continue to test employees for THC (the chemical responsible for marijuana’s psychological effects), and maintain a zero-tolerance drug policy? Read More