“Mr. Dorsey, who the hell elected you? And put you in charge of what the media are allowed to report and what the American people are allowed to hear?” Cruz said, accusing Twitter of “behaving like a Democratic super PAC" and "silencing views to the contrary of your political beliefs.”

“The three witnesses we have before the committee today collectively pose the single biggest threat to free speech in America and the greatest threat we have to free and fair elections,” he said. “Of the three players before us, Twitter’s conduct has by far been the most egregious.”