twitter and NPR are both liberal echochambers, although NPR has "high credibility".

https://mediabiasfactcheck.com/npr/

https://www.theguardian.com/technology/2021/oct/22/twitter-a...

https://quillette.com/2019/02/12/it-isnt-your-imagination-tw...

re: NPR:liberal bias but not egregious

https://nypost.com/2017/10/21/the-other-half-of-america-that... (I realize NY Post leans way right)