The ad industry this year marks 40 years of self-regulation. And, says Managing Editor Ken Wheaton, for the most part, it's done a pretty good job. Now it has to guard its standards -- and fight for things like advertising tax deductions. Meanwhile, as Editor at Large Jack Neff explains to host Bob Knorpp, while Congress might have trouble enacting green guidelines, Walmart has become a de facto regulator of the market. And in the Wild West of Silicon Valley, Google, Facebook and Twitter police their own domains and write their own laws -- and, for the most part, that's just fine with their users.