Erik Wemple (The Washington Post) reports: NBC told this blog today that it would investigate its handling of a piece on the “Today” show that ham-handedly abridged the conversation between George Zimmerman and a dispatcher in the moments before the death of Trayvon Martin. A statement from NBC: “We have launched an internal investigation into the editorial process surrounding this particular story.” Here’s what appears to be the Today show’s version of what Zimmerman said: Zimmerman: This guy looks like he’s up to no good. He looks black. Here’s what appears to be the actual 911 transcript: Zimmerman: This guy...