Gary Stevenson was one of the world’s most prominent currency traders, making $35 million for Citibank and earning himself a $2.5 million bonus. But he realized that he owed his success to the kind of financial inequality that was harming many in his old neighborhood. In Pictures via Getty Images The author began his banking career at the London Stock Exchange, where he began to view traders as akin to high-stakes drug dealers. After a meeting with HR, Stevenson and his money left Citi