GSElevator Reveals Himself, Guns in Tow

John Lefevre, the banker behind the sarcastic @GSElevator Twitter Inc (NYSE:TWTR) handle who signed a major book deal to “expose” the inside of Wall Street banking, is coming clean. GSElevator’s identity had been known to a small group of New York financial media professionals In a piece he wrote on Business Insider Tuesday titled “Goldman Sachs Elevator: It’s Time I Set The Record Straight,” Lefevre says he always expected to be identified.  “The issue of my anonymity was simply a device, and one that has suited the construct of the Twitter feed,” he wrote. “In fact, I’ve always expected to be outed,…