Tourism officials have long known that a good movie can attract tourists. Store owners in Livingston, Mont., say customers still come to see the area where “A River Runs Through It” was filmed, said Sten Iverson of the Montana Film Office; New Zealand is banking on “Lord of the Rings” tours; “Sideways” didn’t just create a demand for wine tours around Santa Barbara, Calif., it boosted sales of certain wines....more