Building and Growing

Rory Stewart explains what he learned about nation building from his experiences in Iraq and Afghanistan as both a soldier and diplomat. Alfred Portale, the chef at the Gotham Bar & Grill, is joined by tomato farmer Tim Stark to discuss the collaboration between chefs and the farmers at the greenmarket. Amy Waldman tells us about her new novel, The Submission. Plus, an expert in nonverbal communications takes a look at the social and psychological impacts of smiling.