Nassim Nicholas Taleb, author of The Black Swan, has a new book out, and, if anything, it’s probably even more potent (if also self-contradictory in many places). The book is called Antifragile and this is his definition of the term: Some things benefit from shocks; they thrive and grow when exposed to volatility, randomness, disorder, and stressors and love adventure. Yet in spite of the...