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TODAY’s headlines: Homeland Security chief heckled, cigarette smoking hits all-time low in US

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Homeland Security Chief Kirstjen Nielsen was met by protestors when she was at a Mexican restaurant on Wednesday amid growing public outrage over family separations at the U.S.-Mexico border. In other TODAY headlines, a new reports shows 15 percent of adults in the U.S. are smokers, an all-time low for the nation.