Naples News: As the Copenhagen conference on global warming ends inconclusively, I am reminded strongly of the world`s reaction in the 1930s to the rise of Nazi Germany. As Adolf Hitler took his first steps toward conquest, many thinking people realized that the Nazi regime was a grave threat to world peace. But what to do about it? Scarred by the slaughter of World War I, most European nations — and the United States — wanted to avoid war at almost any cost. They dithered while Hitler …