Regnery Gateway, 1990. When DDT was patented as an insecticide in 1939, it was welcomed as a much-needed substitute for the toxic insecticides then commonly…
Bill Muehlenberg’s commentary on issues of the day…
Regnery Gateway, 1990. When DDT was patented as an insecticide in 1939, it was welcomed as a much-needed substitute for the toxic insecticides then commonly…