How should the NFL deal with increased legalization of marijuana?

How should the NFL and NFLPA react to a legalization of marijuana? Michael McCann is a Massachusetts attorney and the founding director of the Sports and

This billboard at the season opener urged the NFL to loosen its policy on marijuana use by players :: RICK WILKING/Reuters

How should the NFL and NFLPA react to a legalization of marijuana?

Marijuana advocates no doubt saw a different meaning in the words displayed as NFL commissioner Roger Goodell took the stage at last year's NFL Draft :: Michael LeBrecht/SI

Michael McCann is a Massachusetts attorney and the founding director of the Sports and Entertainment Law Institute at the University of New Hampshire School of Law. He is also the distinguished visiting Hall of Fame Professor of Law at Mississippi College School of Law.