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 ACORN and other radical advocacy organizations and their sources of funding. 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.