Americans interested in history need to make the pilgrimage to Gettysburg, writes Gabor Boritt in the Acknowledgments. In this book seven historians make that journey, five of them Pulitzer laureates, looking for Lincoln. Kenneth Stampp explores the issue of national self-determination, comparing the South's struggle for independence to others in history (including the post-Soviets in eastern Europe). Arthur Schlessinger, Jr. offers a provocative comparison of how Lincoln and our other outstanding war president, FDR, went beyond the limits of the Constitution--and why. David Brion Davis focuse