In his recent interview with VICE News, President Obama spends the last couple of minutes addressing marijuana legalization. It starts at 14:40.
At 16:40 he says Congress could reschedule marijuana. That's total bull and he knows it. The Executive Branch is in charge of that. How easy is it to reschedule a drug? Just look at how Hydrocodone was moved from Schedule III to Schedule II last year.
Did you see the smoke rising in the background from his pants being on fire?