Movie Time Published Feb. 6, 2008 TINKER AIR FORCE BASE -- Friday 6 p.m. "National Treasure: Book of Secrets" (PG) Nicolas Cage, Diane Kruger -- Treasure hunter Benjamin Franklin Gates looks to discover the truth behind the assassination of Abraham Lincoln, by uncovering the mystery within the 18 pages missing from assassin John Wilkes Booth's diary. 9 p.m. "Walk Hard: The Dewey Cox Story" (R) John C. Reilly, Jenna Fischer -- The up-and-down-and-up-again story of musician Dewey Cox, whose songs would change a nation. On his rock 'n roll spiral, Cox sleeps with 411 women, marries three times, has 22 kids and 14 step-kids, stars in his own 70s TV show, collects friends ranging from Elvis to the Beatles to a chimp, and gets addicted to -- and then kicks -- every drug known to man. Despite it all, Cox grows into a national icon and eventually earns the love of a good woman -- longtime backup singer Darlene. Saturday 7 p.m. "P.S. I Love You" (PG-13) Hilary Swank, Gerard Butler -- A grieving young widow discovers that her late husband has left her a list of tasks revealed in 10 messages, delivered anonymously, intended to ease her out of grief and transition her to a new life. Sunday 6 p.m. "National Treasure: Book of Secrets" (PG)