It began with an on-air rant by CNBC commentator Rick Santelli. It became a major political movement, with elected representatives on Capitol Hill. The Tea Party has come a long way, but who’s really behind it? On this edition: how some of America’s largest corporations are using grassroots movements to influence law makers. We hear excerpts from the documentary “The Billionaires’ Tea Party” and learn more about the American Legislative Exchange Council (ALEC).