We are being told that UK prime minister Keir Starmer's visit to Trump in the White House was a 'triumph'. On one level - that of managing a potential unpredictable encounter that could have spiralled off into embarrassment at any point - I suppose it was. But in terms of the real meat of the discussion - the clash between the new Trump 'might-makes-right' world order, and the old one that is rallied behind Ukraine's survival - not so much. Let's discuss.