Travel to nearly any corner of the globe – a slum in Cairo, a trendy Paris cafe, a market in Delhi – and tell a local you're from Chicago. It shouldn't surprise you that their perception of Chicago is one of a lawless, siren-wailing war zone where Al Capone roams the streets and machine gun battles rattle the night. "Al Capone. Bang! Bang!" is as common as a comment about Michael Jordan and President Obama.