The "Occupy Wall Street" movement is providing a real-time case study of the difference between a true grassroots movement and a corporate-backed astroturf movement.

Americans in recent years have been besieged by industry-funded astroturf efforts masquerading as real grassroots movements. One example is the "Hands off my Healthcare" national roadshow, which was backed by the Koch-funded group, Americans for Prosperity. Another is the Tea Party, which got a corporate-sponsored media boost from the Fox News Channel and benefitted from the the efforts of a Sacramento, California-based Republican PR firm, Russo Marsh & Rogers. Astroturf uses manufactured spin and messaging that requires real money for things like media buys, front groups, mass-broadcast faxes, telemarketing-generated petitions, glossy postcards, form letters and talk radio-inspired phone calls.

An American Legislative Exchange Council (ALEC) member is defying Environmental Protection Agency (EPA) rules limiting the sale of rat poisons that pose dangers to children and the ecosystem. ALEC representatives say that kids eating rat poison is an "acceptable risk" that does not justify government intervention in the market.

If you wonder why the health insurance industry has to set up front groups and secretly funnel cash to industry-funded coalitions to influence public policy, take a look at the most recent results of the Kaiser Family Foundation's (KFF) monthly Health Tracking Poll.

In its November poll, KFF added a few new survey questions to find out exactly which parts of the Affordable Care Act/Obamacare are the most popular and which are the least popular. Insurers were no doubt annoyed to see that the provision of the law they want most -- the requirement that all of us will have to buy coverage from them if we're not eligible for a public program like Medicare -- continues to be the single most hated part of the law. More than 60 percent of Americans have an unfavorable opinion of that mandate.