There have now been three serious accidents at commercial nuclear reactors: Three Mile Island in 1979, Chernobyl in 1986, and Fukushima Daiichi in 2011. The Three Mile Island accident was largely the result of operator error, with very little release of radioactivity and no deaths as a result of the accident. Since this accident, the U.S. has significantly improved the operational procedures and safety design of its approximately 100 commercial reactors. The accident at Chernobyl was largely the result of operator error and an unsafe Soviet-era design without a containment structure. Despite the fact the reactor completely blew apart from...