That's a light saber, sir, not a phaser. (President Obama in September 2009, during a White House event promoting Chicago's bid for the 2016 Summer Olympics.) Roger L. Wollenberg /UPI /Landov hide caption

itoggle caption Roger L. Wollenberg /UPI /Landov

A sea of self-motivated individuals or a web of interdependent talents? Both, of course. Jewel Samad/AFP/Getty Images hide caption

itoggle caption Jewel Samad/AFP/Getty Images

Actress Nichelle Nichols -- "Lt. Uhura" -- at the Kodak Theater in Hollywood on Nov. 3, 2010. Mark Ralston/AFP/Getty Images hide caption

itoggle caption Mark Ralston/AFP/Getty Images