I put together a list of popular US newspapers with RSS feeds in OPML format a few years ago. I haven't checked to see if any of them have gone dead yet though.

I put together a list of popular US newspapers with RSS feeds in OPML format a few years ago. I haven't checked to see if any of them have gone dead yet though. https://github.com/newman8r/us-newspapers-opml https://github.com/newman8r/us-newspapers-opml might be useful for people trying to start a collection of feeds