Consider the tilde. There it is, that little squiggle, hanging out on the far-upper-left-hand side of your ­computer keyboard. The symbol dates back to ancient Greece, though tilde comes from Spanish, ...

On January 15, Osiris Aristy opened up Facebook, posted a photo of a gun and wrote, "feel like katxhin a body right now." Later that night, he added, "Nigga run up on me, he gunna get blown down" and ...