Energy and where to find it for an increasingly energy-hungry world is going to be an issue in the future, and so will be the management of the energy we have. A lot of smart people in America are going to need to address the ongoing issue of energy in a really smart way. That means getting serious about building a smart grid, a power grid that is constantly gathering and processing information. Maggie Koerth-Baker, the author of a new book on energy, says if we don't smarten up our grid, we'll see more blackouts, more headaches. Plus, Shakespeare broken down and 3D chocolate printing.