Americana looks at the changing shades of green across the US from the farm fields sown to the philosophies of the open roads.

Experts debate the pros and cons, promises and goals of green investments and subsidies.

Senator Jim DeMint talks about his new book The Great American Awakening and Georgia farmer Bo Herndon discusses the impact that potential immigration legislation is already having on his harvest.

And we visit a drive-thru daiquiri shop to enjoy a refreshing, and surprisingly legal, treat from Louisiana. Show less