Glenn Greenwald (born March 6, 1967) is an American columnist, blogger, and author. He was a columnist for Guardian US from August 2012 to October 2013. He was a columnist for Salon.com from 2007 to 2012, and an occasional contributor to The Guardian. Greenwald worked as a constitutional and civil rights litigator. At Salon he contributed as a columnist and blogger, focusing on political and legal topics. He has also contributed to other newspapers and political news magazines, including The New York Times, the Los Angeles Times, The American Conservative, The National Interest, and In These Times.