Dr. Kevin Sabet, President of Smart Approaches to Marijuana, on the new study revealing that the daily use of marijuana has quadrupled in the last 25 years.  45,000 more children use marijuana on a daily basis this year than last year.  Debbie Moak, co-founder of Not My Kid, and former Governor's Office Director of Youth, Faith, and Family, joins Seth to talk about drug prevention, and back to school advice for parents.