[1] https://www.spectator.co.uk/article/the-republicans-will-com...
[2] https://time.com/5849495/black-lives-matter-defund-police-de...
Additionally, those are just examples of people in the public sphere, there are tons of videos and other examples of online of students shouting down professors or guest speakers, calling them "fascists", demanding they be fired, literally cancelling speakers with opposing views. I mean there's just a lot of evidence online, very easy to Google. I can link it here if that's helpful, but I worry that the people who don't already know about this problem will probably just ignore the links since they were already willfully ignorant up to this point.
Of course there are examples of right extremes, nobody here is denying that, we’re talking about the extremes of the left and how they are having a chilling effect on scientific research.
For the record, I am not a Republican and I am not a Democrat.