Mark E. Neely is McCabe-Greer Professor of the History of the Civil War Era at Penn State University.

If Lincoln was known as the Great Emancipator, he was also the only president to suspend the writ of habeas corpus. Indeed, Lincoln's record on the Constitution and individual rights has fueled a century of debate, and he has even been viewed as a dictator. Now, the Director of the Lincoln Museum wades into this controversy to set the record straight in this Pulitzer Prize-winning work.