Hamdullah Mohib, Afghanistan's national security adviser, speaks during the United Nations General Assembly in New York City on Monday. After U.S.-Taliban talks excluded Afghanistan's government and collapsed last month, Mohib tells NPR that the only way to lasting peace is to include the country's leaders.
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A worker cuts black granite to make a countertop. Though granite, marble and "engineered stone" all can produce harmful silica dust when cut, ground or polished, the artificial stone typically contains much more silica, says a CDC researcher tracking cases of silicosis.