Tidy, contained God is easier to worship, but crumbles in the presence of my big, nuanced problems — I’m at a festival in Allihies, Ireland. To the left of us are houses painted gumball pink, blue, yellow and green. To the right is endless sea. People spill out from steamy pubs onto the street, forming a semicircle around musicians playing classic Irish ballads like “Stairway to Heaven” and…