Greg Grandin is the author of "Empire's Workshop," "The Last Colonial Massacre," "Who is Rigoberta Menchu?," the award-winning "The Blood of Guatemala," and the 2009 National Book Awards finalist "Fordlandia." A professor of history at New York University and a Guggenheim fellow, Grandin has served on the United Nations Truth Commission investigating the Guatemalan Civil War and has written for the "Los Angeles Times," "Nation," "New Statesman," and "New York Times."