How Much Are 140 Characters Really Worth?

After yesterday's IPO, Twitter is one of the most highly valued companies on the NYSE. What is it contributing to popular culture? When will it start making money?

A monthly reality-check on the issues Americans care about most. Host Warren Olney draws on his decades of experience to explore the people and issues shaping – and disrupting - our world. How did everything change so fast? Where are we headed? The conversations are informal, edgy and always informative. If Warren's asking, you want to know the answer.