The US has 308 million people. A society this big will have outliers; Gitmo being one of them.
And last I checked, Assange was _not_ in the US. And the ones who are 'actively trying to prosecute Assange' are the _Swedes_ and the Brits; not the US.
The protectionist policies absolutely don't work beyond a small point. If they worked, then Baidu would be the number 1 search engine in Japan, Korea, Russia, etc. Is it?
A (protectionist) wall may keep the outsiders out; but it also keeps the insiders in....