America is turning 250. These books and movies can help you celebrate

America is celebrating its 250th birthday this year — marking 2½ centuries since the signing of the Declaration of Independence and the creation of the United States. There will be events taking place all year long to commemorate the semiquincentennial, with everything from volunteer and charitable efforts through the America Gives initiative to an American State Fair on the National Mall, not to mention the newly announced Patriot Games for high school students and a UFC event on the White...