A secondary source for news on the Kindle are eNews files from MobiPocket Reader.
There is a slight trick to getting them onto the Kindle (since MobiPocket Reader 6.1 no longer "sees" the Kindle) , but it's easy enough. Attach a USB flash drive (or anything along those lines, really... sd card, etc) and then send the files to the drive. From there, drag and drop to the Kindle wherever appropriate.
As to content that is actually usable - that's another story. I've been testing various eNews feeds and thought compiling a list of working and complete feeds would be worthwhile, so feel free to add any you find. So we need feeds that actually produce usable content and full content. Not partial articles or leadins that point you to the main article. I'll try to keep this updated accordingly.
To use MobiPocket with the Kindle best - use version 6.0
http://mason.gmu.edu/~nhoffeld/Mobipocket6.zip
So far, here's what I have:
BBC News | Front Page | World Edition
TIME Magazine Online: Top Stories
USATODAY.com News - Top Stories
CNN - World
Wired Top Stories
BBC - Science and Nature
CNN - Technology
PCWorld - Technology (Ad heavy)
Slashdot - Science
The Economist - Full Print Edition
Jerusalem Post - (small, but the nuts and bolts)
Huffington Post - Full News Feed
The Onion - Weekly Content
Washington Post - Op/Ed