I understand that you're looking for writers to compose content for your political social networking site, and I'd like to be considered. I've performed similar duties in the past for the CNET spinoff Politicalbase.com, and my other freelance work has appeared in dozens of publications including several libertarian and progressive public policy journals in the U.S. and U.K. as well as humor publications like National Lampoon, The Onion A.V. Club, and McSweeney's. My first book, Flock of Dodos: Behind Modern Creationism, Intelligent Design, and the Easter Bunny, was released last March to praise from sources ranging from Alan Dershowitz to Rolling Stone.
I've posted a couple of links to some recent work below; these are some short pieces which I wrote for a small online media outlet and which I also cross-posted at Daily Kos with a link back to the original in order to drum up traffic: