On Sunday evening Iñaki Williams boarded a plane north to Paris. About the time he set off from there to Le Havre on Monday, Nico Williams was heading in the other direction, south to Barajas and on to Las Rozas, 25km outside Madrid. On Saturday, a night none of them would ever forget – a delirious, joyous celebration of everything they are – they had embraced; then, for the first time, Bilbao’s...