Going through my clips yesterday, I came across the following editorial from the Boston Herald concerning TXU and its plan to build new nuclear plants in lieu of coal-fired electric generation . Though I don't normally do this, I'm going to print the entire editorial: TXU Corp., formerly Texas Utilities, says it wants to build nuclear plants instead of the 11 large coal-fired plants - so scorned by environmentalists - that it announced earlier this year. It’s another welcome sign of the return to favor of nuclear power, which generates no greenhouse gases said to warm the earth. The problem is that TXU, one of more than a dozen utilities considering nuclear projects, wants a new plant design. But one of the reasons nuclear fell from favor was that U.S. utilities vastly overestimated their ability to cope with the new designs they kept ordering throughout the 1960s and 1970s. Of the 105 nuclear plants operating in 1986 (there are 102 today), there were 62 designs. One reason...