Is Marijuana Prohibition Going Up in Smoke?

Bans on marijuana may follow alcohol prohibition into the dustbin of American history. In November election, four states and Washington, DC have now approved recreational use.  California and other states are on the agenda for 2016. But medical use in 23 states has proven it won’t be easy. Problems with finance, quality control and protection of children have not been resolved, and pot is still in the same category as heroin under federal law. Will politicians be swayed by public opinion? (This segment originally aired on November 7.)