John Lukacs is the author of more than 20 books on topics in European history, including ?Five Days in London: May 1940,? ?The Hitler of History,? and ?The Last European War.? Currently Professor of History Emeritus at Chestnut Hill College, he has also taught at Columbia University, the University of Pennsylvania, and the University of Budapest. His new book, ?Blood, Toil, Tears and Sweat: The Dire Warning—Churchill?s First Speech as Prime Minister,? will be published by Basic Books in May.