Mr. Brown Thumb encourages people to come to the Chicago Flower and Garden Show to attend The Great Seed Swap. Jim Slama, president and founder of FamilyFarmed.org, and Vicki Nowicki of Liberty Gardens preview the 2012 Good Food Festival next week at the UIC Forum in Chicago. Karen Hudson from Illinois Citizens for Clean Air and Water talks about how so-called ag-gag laws are threatening to prevent whistleblowers from exposing abuses at CAFOs all over the country. LaSalle county resident John McKee has an update about the battle to keep an open pit sand mine from being dug next to Starved Rock State Park.