Since the Sept. 11 attacks, Elizabeth Samet believes we’ve lived in a “no man’s land” between war and peace. This hour, we’ll talk to the West Point English professor about how that tension affects the nation’s psyche – and about how she prepares young cadets for the battlefield – which she writes about in “No Man’s Land: Preparing for War and Peace in Post-9/11 America” (Farrar, Straus and Giroux).