By Rob Archangel, 180DegreeHealth.com staff writer Today at the Real Foods Summit, I listened to Jenny McGruther talk about the practice and benefits of fermentation. This is a topic near and dear to me. Around six years ago, I stopped eating a vegan diet and found the Weston A Price Foundation. Through them, I found a guy named Sandor Katz. Sandor is awesome. ?He wrote a book called?Wild...