As our public representatives put the finishing touches to their itineraries for the annual jamboree of self-debasement and hypocrisy that is the St Patrick’s Day exodus, they’ll be hoping that US president Donald Trump does what he does best, and hoovers up all the oxygen. So long as he ensures public attention is transfixed by the inevitable row over whether Taoiseach Micheál Martin should be travelling to the White House – a debate that has raged every year Trump has been president, even though the only answers on the table seem to be “yes” or “hell yes” – then other...