These days the world seems to split up into those who need to dredge and those who shrug their shoulders and say, It’s just something that happened. While Maggie Nelson refers here to a polluted urban waterway, the Gowanus Canal, these words could just as easily describe Nelson’s incisive approach to desire, heartbreak, and emotional excavation inSomething Bright, Then Holes. Whether writing from the debris-strewn shores of a contaminated canal or from the hospital ro