Much of the fleet of electronic voting machines in the United States was designed without security in mind, in response to the last big national flap over an election in 2000.
Marcus Marritt for NPR
Tents at a temporary holding facility for migrants in El Paso, earlier this year. Under President Trump, the Department of Homeland Security focus has shifted increasingly towards immigration and border enforcement.
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Participants sign in at a Democratic Party caucus at Jackson Township Fire Station in Keokuk, Iowa, on Feb. 1, 2016. The DNC has scrapped a virtual caucus plan for 2020.
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Former Vice President Joe Biden has heavily courted union votes, but a powerful labor union in his campaign's home base of Philadelphia, crucial in a general election, is feeling snubbed.
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