What Do Lawrence of Arabia, Psycho, Star Wars: Episode IV, & 2001: A Space Odyssey Have in Common?

They're among the 25 unplayable-in-England DVDs that President Barack Obama gave to U.K. Prime Minister Gordon Brown last week. No word yet if the shrink-wrap was still on them.

Here's the full list, courtesy of MTV:

—"2001: A Space Odyssey"
– "Casablanca"
– "Chinatown"
– "Citizen Kane"
– "City Lights"
– "E.T. The Extra-Terrestrial"
– "It's a Wonderful Life"
– "Lawrence of Arabia"
– "On the Waterfront"
– "Psycho"
– "Raging Bull"
– "Schindler's List"
– "Singin' in the Rain"
– "Some Like It Hot"
– "Star Wars: Episode IV"
– "Sunset Boulevard"
– "The General"
– "The Godfather"
– "The Graduate"
– "The Grapes of Wrath"
– "The Searchers"
– "The Wizard of Oz"
– "To Kill a Mockingbird"
– "Vertigo"

You know, in some cultures, cheaping out and not giving the full run of Star Wars is seen as a sign of disrespect. More here.