President Obama shares a laugh with, from left, Bill Damaschke, Tim Johnson and Steve Martin during a break from work on DreamWorks’ upcoming alien-invasion film, “Home.” (Brian van der Brug / Los Angeles Times / November 26, 2013)

http://www.latimes.com/entertainment/envelope/cotown/la-fi-ct-obama-dreamworks-20131127,0,3460726.story#ixzz2n53fgQRX