Big Think Link Launched in early January 2008, Big Think is a site with short video clips of leading thinkers in business and society. The New York based start-up, founded by former Charlie Rose producers Victoria Brown and Peter Hopkins, has been getting plenty of buzz this week from The New York Times, the Telegraph and TechCrunch.

Charlie Rose interviews Stephen Levitt, author of Freakonomics, about his book. Explores how unlikely events can impact future trends, like the rise of legal abortions led to decreased crime 20 years later.