>How to Read a Book
>Make it Stick
These create a foundation for consumption of information. Read these so that everything you read subsequently will be effectively absorbed. After that it depends on your interests. Like the other anon said, A People's History of the U.S. is a great start, but it's written with the assumption that you know the general U.S. propaganda history. How to Read a Book has a great list of books of the western cannon to read. It all really depends on your interests.