A Concert with Jay-Z (and India's Leader) Aims to End Poverty (NPR)

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"Achieving results is always hard," says Charles Kenny, a senior fellow at the Center for Global Development. "But in general, having a constituency matters. You can't think of PEPFAR [the President's Emergency Plan for AIDS Relief] without think about the domestic AIDS lobby pushing for that, in a good way." Now it's true, he says, some people may feel that clicking to sign an online petition could get them off the hook for other forms of activism. But if a charitable group makes it easy for those who click once to stay involved, "it can make a difference."

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