He was the first to uncover and detail the role of the billionaire Koch brothers in financing the Tea Party movement. He was an investigative blogger for ThinkProgress (2009-2011) and then a fellow at the Investigative Fund of the Nation Institute and contributing writer for The Nation. His first book, The Machine: A Field Guide to the Resurgent Right, published by The New Press, explores how the conservative right rebuilt the Republican Party and its political clout in the aftermath of President Obama’s 2008 election victory.