> There's no possible way to guard all the borders 100% of the time... My go-to example is that it's apparently impossible to eliminate illegal drugs from US p

> There's no possible way to guard all the borders 100% of the time... My go-to example is that it's apparently impossible to eliminate illegal drugs from US prisons. If "somehow" illegal drugs are making it into an environment where The Authorities have complete control over the lives of the folks housed in that environment, there is absolutely no hope to stop them anywhere at all. Harm mitigation and minimization are the only things that make any sense in the real world.