In some parts of the world, it’s easier to get an automatic rifle than a glass of clean drinking water. Is this just the way it is? Samantha Nutt, doctor and founder of the international humanitarian organization War Child, explores the global arms trade — and suggests a bold, common sense solution for ending the cycle of violence. “War is ours,” she says. “We buy it, sell it, spread it and wage it. We are therefore not powerless to solve it.”

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