To understand American history, Jon Lauck says you have to understand the Midwest's role in some critical events.
Energy-hungry countries such as Japan are looking to Pennsylvania, which is producing more natural gas than expected from the Marcellus Shale.
While it was once considered a source of energy for other states, drilling companies in Pennsylvania are now planning to export the fossil fuel.
The natural gas is extracted using the controversial technique known as fracking. New York, which also sits on the Marcellus Shale, has banned fracking.