What the pig did - in Joseph Caldwell's charmingly romantic tale of an American in contemporary Ireland - is create a ruckus, a rumpus, a disturbance . . . utter pandemonium.Possibly the most obstreperous character in literature since Buck Mulligan in James Joyce's Ulysses, Mr. Caldwell's pig distracts everyone from his or her chosen mission. Aaron McCloud has come to Ireland from New York City to walk the beach and pity himself for the cold indifference...