Duncan Bowen Black (born February 18 1972), better known by his pseudonym Atrios (IPA pronunciation: ), is an American liberal blogger living in Philadelphia. His weblog Eschaton is one of the most popular political weblogs, receiving an average of over 100,000 hits every day.http://www.newpolitics.net/reports/media/progressiveblogosphere/The-Emergence-of-the-Progressive-Blogosphere.pdf Black was also a regular commentator on Air America Radio's The Majority Report.