The author of Subversion Inc.: How Obama’s ACORN Red Shirts are Still Terrorizing and Ripping Off American Taxpayers (WND Books, 2011), Vadum writes and speaks widely on the now-defunct Association of Community Organizations for Reform Now, community organizing guru Saul Alinsky, and other radical advocacy organizations and their sources of funding. He is also author of: Team Jihad: How Sharia-Supremacists Collaborate with Leftists to Destroy The United States (Center for Security Policy, 2017); Obama’s Insurrection (David Horowitz Freedom Center, 2017); and Government Unions: How They Rob the Taxpayer, Terrorize Workers, and Threaten Our Democracy (David Horowitz Freedom Center, 2012). He is a frequent guest on Fox News and a contributor to FrontPageMag.com, American Thinker, PJMedia.com, Daily Caller, and the American Spectator. Vadum received an M.A. in American Studies from Georgetown University. A longtime journalist, he was previously a reporter at The Bond Buyer newspaper and the Central Penn Business Journal.