Reuters: It is mid-afternoon on a workday in a Rio de Janeiro slum when a young man in a tanktop crouches beside a building, walkie-talkie on his belt and a large black pistol openly drawn on a main road.
As people walk by unperturbed, local residents say he is protecting turf for a drug gang in the Cantagalo favela, a bustling community on a hillside overlooking Copacabana beach in downtown Rio.
With an average of 11 murders per day, violent crime remains a major problem in Rio, according to figures...