THE CHIEFTAINS Finding a vivid common ground between Ireland and Mexico The Irish are deservedly proud of their talent for telling tall tales. But even Chieftains founder Paddy Moloney had a hard time believing the story behind his group’s ambitious new album, San Patricio, based on the story of a battalion of Irish expatriates who fought against Americans in the Mexican War. “There’s a Catholic Irishman, John Riley, who came from Galway to...