McCarran was an ardent [[anti-Communist]] along with [[Republican]] [[Joseph McCarthy]]; as chair of the [[United States Senate Subcommittee on Internal Security]], known as the ''[[McCarran Committee]]'', which focused on [[national security]] against [[espionage]] and [[sabotage]] attempts. He was the sponsor of the [[McCarran Act]] that required [[communist]] organizations in the U.S. to register with the [[Attorney General]] established guidelines for investigating those suspected of subversive activities. McCarran was a strong supporter of McCarthy who would have adamantly opposed the censure against the Wisconsin senator and convinced fellow Democrats to join him, but died less than a few months later at the age of 78 before the vote.
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McCarran was an ardent [[anti-Communist]] along with [[Republican]] [[Joseph McCarthy]]; as chair of the [[United States Senate Subcommittee on Internal Security]], known as the ''[[McCarran Committee]]'', which focused on [[national security]] against [[espionage]] and [[sabotage]] attempts. He was the sponsor of the [[McCarran Act]] that required [[communist]] organizations in the U.S. to register with the [[Attorney General]] established guidelines for investigating those suspected of subversive activities. McCarran was a strong supporter of McCarthy who would have adamantly opposed the censure against the Wisconsin senator and convinced fellow Democrats to join him, but died less than a few months later at the age of 78 before the vote. McCarthy was ultimately censured by a 67–22 vote, with no Democrat voting against it.<ref>[https://www.govtrack.us/congress/votes/83-1954/s271 S. RES. 301. PASSAGE.]. ''GovTrack.us''. Retrieved April 22, 2021.</ref>