Master Cleanse; Michael Pollan's Manifesto; Diet Inventions

Tom Nardone finds quirky diet inventions, while Michael Pollan declares his food manifesto. Author Peter Glickman advocates the master cleanse and Dr. Ed Zimney argues that the master cleanse is a master scam. Artist Julia Cameron sheds pounds through writing, Laura Shapiro unearths the Works Progress Administration's foodways project, and professor Richard Mathies designs a red wine hangover device. Plus, Laura Avery serves up a fresh Market Report.