US Army counsel Joseph Welch questions Sen. Joseph McCarthy's sense of decency at 1954 Army-McCarthy hearings in Washing

The transcript covers a discussion led by Mr. Welch, focusing on themes of decency, personal privilege, and filibustering. Mr. Welch is accused of filibustering to remove individuals associated with communism. The dialogue highlights the tension between personal privilege and public duty, as well as the broader implications of political actions.

What does the speaker mean by 'filibustering this hearing'?

What is the significance of the phrase 'tainted with communism' in the context of the speaker's argument?