Nieman Storyboard can be counted on to give us something worth posting every week or two. So can John McPhee. Now, the two meet as part of a series, “Why’s this so good?” NASW member Carl Zimmer deconstructs McPhee's 1987 article on the Mississippi River, “Atchafalaya.” Says Zimmer: “I get the sense that McPhee spends every waking hour gathering observations, stories and plain facts that he stores away for articles he may not write for decades to come.”