Summary: There is renewed focus on the possibility of a carbon tax from both sides of the issue. Climate Crock's Peter Sinclair joins us to share his expert opinion on the chances this win-win-win proposal will actually happen, and what it means that opponents are ramping up their rhetoric. Next Ben Wessel, of 350 Action, explains why the climate group has-- for the first time-- endorsed a candidate for office, Rep. Ed Markey. And speaking of firsts... Whole Foods has announced it will be labeling its GMO products as it tries to procure fewer of them over the next five years. We'll hear from spokeswoman, Libba Letton about that ground-breaking decision
