Three Mile Island by Mark Stephens You can’t fly into Harrisburg Pennsylvania and not notice those giant smoking towers looming near the airport. It’s like you’re landing at the nuclear power plant in Springfield. In fact, they’re the cooling towers of the Three Mile Island nuclear power plant where a nuclear catastrophe almost happened in the 1970s. Something happened – a radioactive spill? – but no one quite knows for sure. According to Wikipedia, something ALMOST happened, but again, it’s...