Peter Shawn Taylor, a writer for Canada's National Post newspaper, referred to Ottawa's plan to ban lead fishing sinkers to save Canada's loons as "sinking science." After all, the annual death toll of loons that swallowed lead sinkers and perhaps died from ingesting such ungainly objects is six, at least according to several independent surveys. As the cold season arrives in the Canadian provinces, this could be the last year in which lead sinkers will be permitted. Taylor recently wrote that the federal government is proposing to ban lead tackle and force fishermen to find more expensive alternatives. Even non-anglers,...