Rachel Carson wrote Silent Spring--the book that got mosquito-killer DDT banned and launched the modern environmental movement--while struggling with cancer. The disease killed Carson in 1964, two years after Silent Spring came out. Today's Washington Post has a story on Carson--whose 100th birth anniversary occurs later this month--and her noble fight against cancer. A touching piece. But maddening, too! Because in the story's 34 paragraphs, there are only a buried pair, the 26th and 27th, that note the ongoing controversy about DDT's ban. A Maryland Congressman (evil Republican, of course ... wink, wink) is quoted as saying that malaria deaths...