Gormley: Trump's travel ban reveals its own pointlessness

It’s curious that opponents of Donald Trump’s travel ban should persist in exerting so much energy to criticize it. The ban now freely admits to its arbitrariness and futility.
In fact, there is so much to recommend the ban – by virtue, that is, of its undermining its own supposed purpose, which is to protect Americans from foreign terrorists – that it’s hard to know where to begin with praise. Its exemptions are as good a place as any, though. So, in honour of Four