The MP for Edinburgh North and Leith challenges the prime minister in the Commons over the influence held over politicians by the Institute of Economic Affairs (IEA). Deidre Brock says think tanks like the IEA, “exert so much influence on gullible politicians that their policies were able to almost crash the UK economy just weeks ago.” Report by Jonesia. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn