"The real war," said Walt Whitman, "will never get in the books." During World War II, the truest glimpse most Americans got of the "real war" came through the flashing black lines of twenty-two-year-old infantry sergeant Bill Mauldin. Week after week, Mauldin defied army censors, German artillery, and Patton's pledge to "throw his ass in jail" to deliver his wildly popular cartoon, "Up Front," to the pages of Stars and Stripes. "Up Front" featured...