The threat today is not that of the 1930s. It's not big powers going to war with each other. The ravages which fundamentalist political ideology inflicted on the 20th century are memories. The Cold war is over. Europe is at peace if not always diplomatically.
I'm nutty for nutrition. I've become one of those people who can't stop talking about the connection between food and health. Now that I know how much changing what you eat can transform your life I can't stop proselytizing.