In this May 6, 2019, photo, Democratic presidential candidate Sen. Kamala Harris, D-Calif., greets supporters after a town hall for the American Federation of Teachers in Detroit. Harris wants to ban the importation of AR-15-style assault weapons by executive action if elected president. On May 15, she is set to detail her proposal to stop importing the weapons until the Bureau of Alcohol, Tobacco, Firearms and Explosives can analyze whether the ban should be permanent.(AP Photo/Paul Sancya)
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