evidence: The reactions are emblematic of the deep polarization that has struck American politics. The assassination attempt unified top congressional leaders, who forcefully rebuked it and called for unity, including House Speaker Mike Johnson, R-La., Senate Majority Leader Chuck Schumer, D-N.Y., and former House Speaker Nancy Pelosi, D-Calif. But there remain figures who stoke us-versus-them divisions and lean on unverified information or conspiracy theories, using social media to inflame the message. [...] And Trump’s 2020 campaign manager Brad Parscale tweeted: "This is either one of the worst failures in Secret Service history or a deep state plot. There’s no way this should have ever happened." [...] "This is a continuation of the bulls--- rhetoric that drives political violence," Pocan responded. "A likely assassination attempt and gun violence on Trump is awful on many levels. Adding jet fuel to the political climate is unbecoming of a member of Congress."