Political bias is an integral part of everything NPR does, unfortunately. "All Things Considered" used to be left leaning but fair. Today it is one story after another about victimhood from evil oil companies, or global warming, or white supremacists, or whatever other right wing boogeyman they can configure. Even the game shows routinely bash Trump, Christianity, traditionalism with gags that are intentionally designed as "inside" jokes that only the enlightened would appreciate. My favorite NPR program is "Fresh Air" with Terry Grosse. I download that program regularly, but I used to listen to it daily. It has become impossible to listen to anymore because so many episodes are devoted to anti-right or pro-left themes. Now I pick the episodes to download, and find maybe just 20 percent are on subjects that might matter to a broad range of people.
If you liked the old NPR, I recommend you go to the BBC website. There you can download quite a few great programs that are nearly devoid of bias. Three that I recommend highly are You're Dead to Me, In Our Time and Uncanny. There are literally thousands of hours of great podcasts at BBC. BBC in general is still somewhat left-biased, but it does not creep into every program the way it does at NPR.