The U.S. tax code underwent major overhauls in 1922, 1954 and 1986 – once every 32 years. T.R. Reid joins us to talk about why we’re due for another adjustment – and about what lawmakers should consider in the next update. He writes about the topic in “A Fine Mess: A Global Quest for a Simpler, Fairer, and More Efficient Tax System” (Penguin Press).