What does Miley Cyrus have in common with Sacagawea? How could Steve Jobs have helped Eisenhower? What does the moon landing have to do with the Hilton sisters?

In less time than it takes to recite the preamble to the Constitution, most Americans can spout off all their U.S. history knowledge. (Hint: it starts with "In 1492" and ends with "sailed the ocean blue.") That's because most history books are as interesting as the phone book--and have the same number of pages. The average Joe (the guy who TiVo'd John Adams on HBO but won't make Colonial Williamsburg his next vacation spot) needs...