Protesters interact with Capitol Police inside the U.S. Capitol Building on January 06, 2021 in Washington, DC. Win McNamee/Getty Images Sen. Ben Sasse of Nebraska has warned in an op-ed in The Atlantic that the QAnon conspiracy theory movement is destroying the GOP. "We can dedicate ourselves to defending the Constitution and perpetuating our best American institutions and traditions, or we can be a party of conspiracy theories, cable-news fantasies, and the ruin that comes with them," writes Sasse of the GOP.