Just about every U.S. president of the past 80 years has released his memoirs. But they don't all take the same format. We'll look at the variations and why -- apart from historical record -- former presidents feel compelled to put pen to paper.
When the president goes anywhere by plane, he travels in the most amazing private jet in the world -- a flying White House complete with a gym! Take a tour of this amazing aircraft and see pictures from past and present.
U.S. customs officers do far more than looking through people's bags at the airport. They enforce hundreds of laws for 40 different government agencies. We'll examine what U.S. Customs does and what you need to know about bringing goods into the U.S.