Chef Rick Bayless has conquered the mediums of television and print. Now, as co-creator of the Lookingglass productionCascabel, a new sensory explosion combining circus and food, he takes on theater. Bayless talks about his new project and the drama of dining, from Alinea to Medieval Times. And WBEZ Onstage/Backstage bloggers Jonathan Abarbanel and Kelly Kleiman weigh in.