A timeline of the drug trade in Columbia.
See the human costs of Colombia's political and economic conflicts in this photo essay.
Maria Cristina Chirolla is a compelling woman in her mid-fifties: dazzling smile, coiffed hair, dark suit. It's hard to believe there is a price on her head. We are in her office in the attorney general's building in Bogotá, a bomb-proof concrete bunker.
See what the world is spending on armed forces -- Japan has the fifth-largest defense budget in the world.
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