The Barcelona forward is one of the greatest to have have played the game. But his international career highlighted the fraught marriage between football and country“Tonight, all the political programmes on TV are about football,” Ezequiel Fernandez Moores, Argentina’s leading sports columnist, tells me from Buenos Aires. He has just returned home on the underground, and noticed that the arrivals board read “No te vayas Lio”: Lio, don’t go.That phrase had been trending on social media since the early hours of Monday, when the Argentina captain announced, in tears, that he had quit international football after defeat in the Copa América final to Chile.