Kejal Vyas is the regional correspondent in South America for The Wall Street Journal, stationed in Bogota, after spending five years in Caracas, considered the most violent city in the world. Vyas worked in a place where people drove through stop lights to avoid being held up and where residents are urged to stay shuttered in their homes after seven at night, even in the most upscale of neighborhoods. “There are tons of opportunities to cover people in the slums, in streets where police are