Guests: Leah Pietrusiak fills in for producer Heather Frey, Dan Kaplan and Frank Campise from Central States Dahlia Society describe the technique of starting dahlia cuttings in the winter for earlier summer blooms, Cathy Nesbitt of Cathy's Crawly Composters explains what happens to red wiggler worms in your outdoor compost pile in winter, and Mike talks about which environmental questions should be answered by Chicago mayoral candidates.