The United States has been the world's leading power for the past 75 years. Charles Lindbergh's America First movement died with the Japanese attack on Pearl Harbor.
Naturally, American decision-makers made some mistakes over the past 3/4 century. But, for the most part the world has been safer under American leadership. Containment of threats proved to be a better policy than confrontation.
Next month, the torch lit by Franklin Roosevelt, George Marshall and George Kennan will be passed to Donald Trump, James (Mad Dog) Mattis, Peter Navarro and Michael Flynn Sr. (assisted by Michael Flynn Jr.)