Actor Jason Lee appears in the 1999 film 'Mumford.' Mr. Lee skateboards in his free time. Gemma Lamana/Touchstone Pictures/Newscom/File
Actor Christian Slater appears in the 1989 film 'Gleaming the Cube.' Many professional skaters credit this film with inspiring them to try skateboarding. Rank/Newscom/File
Actor Owen Wilson rides on a skateboard. Mr. Wilson did not do his own stunts in the Girl Skateboards company's 'Yeah Right' video production, codirected by Spike Jonze. London Enterntainment/Splash News/Newscom/File
Comedian Dave Chappelle takes his son skateboarding in New York in 2008. Mr. Chappelle has said that his hobbies are playing videogames and skateboarding. Tommy Meinelt-Jackson Lee/Splash News/Newscom/File
Professional skater Tony Hawk catches some air in his exhibition in Barcelona, Spain, as part of his European skateboarding tour in 2010. Guillem Lopez/Newscom/File
Reality television star Tila Tequila rides a skateboard during a photo shoot in Santa Monica, Calif., in 2008. Tom Vicker/Splach News/Newscom
After being presented with a skateboard, singer Pink shows off her skateboarding skills on 'The Ellen DeGeneres Show' in 2003. Wenn/Newscom/File
Actress Kate Hudson plays with a skateboard on the set of 'Something Borrowed' in New York in 2010. Jason Webber/Splash News/Newscom/File
Actor Matthew Settle of 'Gossip Girl' fame rides a skateboard as he leaves Bar Pitti in the West Village in New York in 2009.
British Prime Minister Edward Heath rides a skateboard in 1966. Chris Smith/Newscom/File
Russia informed Iran Monday it would soon make good on the long-overdue delivery of a sophisticated air defense system, a sign that Tehran is already reaping the benefits of international negotiations over its nuclear program.