This image released by National Geographic Channels shows Rob Lowe as President John F. Kennedy in "Killing Kennedy." The film, based on Fox News host Bill O'Reilly and Martin Dugard’s book by the same name, chronicles the events that culminated with the assassination of the nation’s 35th president on Nov. 22, 1963. The film with Rob Lowe portraying the former president was watched by 3.4 million people Sunday night. ??(AP Photo/National Geographic Channels, Kent Eanes)NEW YORK (AP) — Viewers of the National Geographic Channel are somewhat extra in the Kennedy assassination than the killing of Abraham Lincoln — enough to set a viewing record for the 12-year-outdated network.