Less engrossing than its 2004 predecessor National Treasure, Jon Turteltaubs busy sequel National Treasure: Book of Secrets is nevertheless a colorful and witty adventure, another race against overwhelming odds for the answer to a historical riddle. Ben Gates (Nicolas Cage), the treasure hunter who feverishly sought, in the first film, the whereabouts of a war chest hidden by Americas forefathers, is now charged with protecting family honor. When a rival (Ed Harris) offers alleged proof that Gates ancestor, Thomas Gates, was not a Civil War-era hero but a participant in the assassination of Abraham Lincoln, Ben and his father (Jon Voight) and crew (Justin Bartha, Diane Kruger) hopscotch through Paris, London, Washington DC, and South Dakota to gather evidence refuting the claim. The film is most fun when the hunt, as in National Treasure, squeezes Ben into such impossible situations as examining twin desks in the queens chambers in Buckingham Palace and the White House (more…)