From the Tea Parties to the healthcare and climate wars, America's conservative citizens have revolted against the Obama agenda. But are these grassroots actions in fact examples of 'astroturfing'? - The practice of manufa... more »cturing citizens groups for the purpose of delivering corporate messages. Curious to find out, Australian filmmaker Taki Oldham went undercover to investigate. What he found was astroturfing on a scale greater than he could have imagined, threatening not only the health of American democracy, but that of its citizens and the planet as a whole.« less