A booth is ready for a voter, Feb. 24, 2020, at City Hall in Cambridge, Mass., on the first morning of early voting in the state. Thanks to recent advances in artificial intelligence, tools that can create lifelike photos, video and audio are now cheap and readily available. AI experts and political scientists say these new programs will have significant implications for next year's U.S. elections. (AP Photo/Elise Amendola, File)
