Landscape architect and organic horticulturist Howard Garrett was my guest. We talked about the toxicity of the weed killer Roundup® and its relationship to GMO foods. An important show! Howard is a nationally-syndicated radio host, author and a newspaper columnist. His website, DirtDoctor.com is a treasure of resources for solving problems around the yard and home. His impressive titles include:

Texas Bug Book: The Good, the Bad, and the Ugly
The Organic Manual: Natural Gardening for the 21st Century
Organic Lawn Care: Growing Grass the Natural Way
Texas Organic Vegetable Gardening: The Total Guide to Growing Vegetables, Fruits,Herbs, and Other Edible Plants the Natural Way