Middle-earth continues its domination of the silver screen with this latest installment, "The Hobbit: The Desolation of Smaug," the second film centering on the adventures of the hobbit Bilbo and his band of merry men (and dwarves and wizards). Peter Jackson has delivered a terrific film that also has a unique Achilles’s heel. The one weakness in this otherwise highly-entertaining movie is exactly what has made it such