FILE - In this Monday, Oct. 12, 2020 file photo, Sen. Chuck Grassley, R-Iowa, uses his smartphone during a hearing on Capitol Hill in Washington. Researchers from NATO StratCom, a NATO-accredited research group based in Riga, Latvia, paid three Russian companies 300 euros ($368) to buy 337,768 fake likes, views and shares of posts on Facebook, Instagram, Twitter, YouTube and TikTok, including content from verified accounts of Senators Grassley and Chris Murphy. Both senators consented to participate. (Erin Schaff/The New York Times via AP, Pool)
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