Perhaps the best thing to remember when we see riots and arson attacks on historic buildings in France, or hundreds of drug addicts sprawled out on the streets of San Francisco, or thousands of murders per year in America’s cities, is that things don’t have to be this way. There are places in the world that you can visit that are not like this. There are a set of policy choices that we can make at any time that would ensure these things simply don’t happen, if our civilization had the will to enact them