Dan Promotes New Book on GMA

This morning on Good Morning America, Dan promoted his newest book, Lincoln’s Last Trial, which hits stands tomorrow, June 5th. Dan discussed the transcripts that inspired the book, which are the only ones of their kind, as well as his own passion for American history. The book explores the lesser-seen side of Abraham Lincoln as a lawyer, offering an in-depth look into a murder trial of the times.

Check out the clip here, courtesy of ABC.