Satellite TV pioneer Charlie Ergen is making a bold play for wireless telecom company Sprint Nextel. Why the $25.5 billion move? It's about growth and that future of TV. Raj Chetty won the John Bates Clark Medal for economists under 40. We walk through one of the studies that got him the award. Plus, in case you thought we forgot, it's Tax Day. An excited accountant tells us why it's the best job ever.