围篱700里 The Fence (La Barda) (2010)认领

　　In 2006, the U.S. government decided to build a fence along its Mexican border. Three years and $3 billion later, award-winning filmmaker Rory Kennedy offers this revealing and surprising look at the story behind the fence's construction and its ultimate efficacy. Built to contain illegal immigration, crack down on drug trafficking and protect America from terrorists, the proje...