Big Pot: The commercial takeover of marijuana

11/6/16–CBS News set out to travel to five states and Canada to interview people on all sides of the issues — from consumers to sellers, lobbyists to elected representatives to address questions about how legal pot should be marketed, sold, and regulated, in addition to what kind of businesses will dominate, how the product will be changed, and above all, how anyone can be sure the dream of legal marijuana won’t turn into a nightmare. Read