Tweeting the news – U.S. newspapers on Twitter, ranked by followers

Yes, I know, the numbers of followers does not necessarily equal quality. But this comprehensive list from  Old Media New Tricks is very interesting and leaves some questions. Just look at the top five newspapers and compare them to the next five, and so on. What makes a newspaper so popular on Twitter? Is it humor ( The Onion ranks No. 2)? Is it being an early adopter of Twitter (the Chicago Tribune ranks No. 3)? Take a look and add your thoughts (also, add your local U.S. newspaper to the growing …