FILE - This April 18, 2013 file photo shows Tommy Chong at the Rock and Roll Hall of Fame Induction Ceremony at the Nokia Theatre in Los Angeles. The 74-year-old comedian thinks legalizing marijuana ... more 

FILE - This April 18, 2013 file photo shows Tommy Chong at the Rock and Roll Hall of Fame Induction Ceremony at the Nokia Theatre in Los Angeles. The 74-year-old comedian thinks legalizing marijuana on a federal level would offer numerous benefits, including a boost to the U.S. economy if it were taxed. (Photo by Jordan Strauss/Invision/AP) less