Today would have been economist Milton Friedman’s 100th birthday. Friedman was far from perfect, philosophically. He was, indeed, the coauthor of the infamous 1946 pamphlet “Roofs or Ceilings?”, which Ayn Rand ruthlessly dissects in The Letters of Ayn Rand. That said, I have a great deal of admiration for Friedman, above all for his intellectual style. He had an almost unmatched ability to communicate complex, controversial ideas with clarity and charm.