Vote with your money, we often hear. Show the economic powers-that-be what you want by paying for only that.
It can be tricky, though, especially when it comes to food. Several large chains dominate the grocery business, and are somewhat immune to market pressures.
Jon Steinman, a writer and producer on food issues, says there's hope; he lays out the case in the book .
He's in our region visiting co-ops, and stops by the studio to update his work.