Richard Slotkin, the Olin Professor of English, emeritus, was featured in a PBS American Experience special, "The Great War," on April 10. "It's a watershed in American history. The United States goes from being the country on the other side of the ocean to being the preeminent world power," says Slotkin in Chapter 1 of the series. In Chapter 2, Slotkin appears beginning around 15 minutes. "When Wilson declares war, the total armed trained force of the United States is less than a quarter of a million men," he says. "The British Army loses more than that in one battle." "In order…