Noam Chomsky on Why Marijuana (hemp) is illegal and tobacco is legal.
His argument states that marijuana can be grown almost anywhere and has far too many uses and health benefits. The reason he speculates this would constitute being illegal is the fact that there is no profit for the corporations. Also - the prison population would be vastly lower and hence not as much cheap labor. Could our world really be so backward and messed up? When is enough enough? Only what you allow will continue.