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How the Pfizer-BioNTech COVID-19 vaccine was developed
U.S. experts assess severity of Russian-linked cyberattack
Senator Mitt Romney blasted President Trump for downplaying the Russian-linked cyberattack on U.S. government agencies and private companies. Sergio Caltagirone, vice president of threat intelligence at Dragos, joins CBSN’s Lana Zak to discuss the severity of the hack. Free America Network Articles
