Inter Press Service: Sweeping societal change is a slow and erratic business. The civil rights movement in the United States went nowhere for decades and then exploded in the 1960s. Not long ago, smokers could light up anywhere they pleased in Canada and the U.S. Now they are mostly confined to a few outdoor areas and as a consequence, far fewer people smoke. "There’s been a major shift in values regarding smoking," said Anthony Leiserowitz, director of the Yale Project on Climate Change at Yale …