Obviously we're a consumer nation and you have the power to influence these big corporations who are running the world right now through what you chose to, or not to, purchase.
There was great leadership in this country at the time of World War II. There was also unrelenting resolve at home, in America's factories and on the farms, in the cities and the country.
I think in the corridors of power these dangerous kinds of orders are issued in a much more vague way, passed down two or three levels of command before they're given to the assassin.