Something remarkable happened on a Wednesday in the middle of October in Dublin. It wasn’t a shock that the Gaiety Theatre was packed on a school night with a chill outside; after all, the Second Captains podcast has a huge following, which transfers to their live shows. No, it was what happened when the special guest was revealed that was extraordinary. After all, Eamon Dunphy – at 80 – is from a different generation to the thirty – and fortysomethings who follow Second Captains. Yet the roar when his name was announced by Eoin McDevitt had the slates in the…