Michael Gerhardt, the Samuel Ashe Distinguished Professor of Constitutional Law at the University of North Carolina, Chapel Hill and a nationally recognized authority on constitutional conflicts, and author of The Forgotten Presidents: Their Untold Constitutional Legacy, about the new book and how these unrecognized presidents shaped American history.

Web page: http://www.oup.com/us/catalog/general/subject/Law/ConstitutionalLaw/?view=usa&ci=9780199967797