Marijuana's March Toward Mainstream Confounds Feds

Many dynamics in play.      It took 50 years for American attitudes about marijuana to zigzag from the paranoia of ‘‘Reefer Madness’’ to the excesses of Woodstock back to the hard line of ‘‘Just Say No.’’ The next 25 years took the nation from Bill Clinton, who famously ‘‘didn’t inhale,’’ to Barack Obama, who most emphatically did. And now, in just a  ... MORE