Six members of two restless clans called the Street Ninjas and Gravity Pac circled each other at Grand Central Terminal last Sunday. ... Satisfied, they started clasping hands, knocking elbows and throwing down French slang.

The spread of parkour into the woods of Georgia and the deserts of Arizona occurred almost entirely through the boundlessness of Internet message boards.

"The American scene is a sleeping Joe at the moment," he said, adding that it is only a matter of time before an American leader emerges.