VICE PATROLDick Cheney channels Dick Nixonhttp://www.washingtonmonthly.com/archives/individual/2008_12/016153.php[Steve Benen] It's been a common refrain over the last eight years, but it's even more common now in light of the new Frost/Nixon movie: "When the president does it, that means that it is not illegal."In context, Frost had asked about the notion that a president can "do something