The Montreal Protocol, a little treaty that could
Why? One idea is that Mr. Reagan himself had had skin cancer, and allowed a concern for public health to triumph over ideology. Eli Lehrer, the head of a Washington think tank called the R Street Institute and a longtime Reagan admirer, offered me a simpler theory: that the man truly loved nature. He was never happier than when riding horses and chopping wood. Perhaps the science of the ozone hole just spooked him. We know it spooked Margaret Thatcher, the British prime minister and Reagan ally, who had been a research chemist in her early life.
