On his Fox show Monday evening, Bill O’Reilly dismissed as “gutter sniping” reviews of his new Lincoln assassination history that pointed out multiple factual errors in the bestselling book.

“We well understand our enemies are full of rage of [the book's] success,” O’Reilly said. “We also know the media lies at will with no accountability. ‘Killing Lincoln’ in an honest book that you will enjoy and learn from, and that every American student should read.”...

The controversy started after Salon reported that the official National Park Service bookstore at Ford’s Theatre had rejected O’Reilly’s book because of “the lack of documentation and the factual errors within the publication.” A second review in a leading Civil War magazine identified another 10 or so alleged errors.

A separate gift shop at Ford’s, which is not subject to the same rigorous review standards as the National Park Service bookstore, has decided to sell “Killing Lincoln.”...