Ball Cap Nation: A Journey Through the World of America's National Hat

As the country grows increasingly diverse and complicated, Americans seek, and occasionally find, a common thread to unite them. And, as Jim Lilliefors reveals in his new book, that common thread is what the baseball cap is made of — indeed, what has transformed it into America's National Hat. As fads go, it's no longer even a fad, but a part of the national identity that, for better or worse, is a symbol of America. It fe...