 Now, Ohio Senator J.D. Vance joined Fox News Sunday, says the former president has made clear that Europe has to step it up. America cannot be the policeman of the world. We want NATO to be a strong alliance. We don't want NATO countries to be welfare clients of the United States. If Vladimir Putin is a significant threat to Europe, then the Germans have to step up. The French have to step up. They need to do more for their own security.