It used to be a lot simpler. As E.C. Bentley deftly summarized it in 1905: "Geography is about maps, But Biography is about chaps." But that was then, and now Biography is also about maps. For example, have you ever thought it would be way cooler to have been born in colonial Kenya? Whoa, that sounds like crazy Birther talk; don't go there! But Breitbart News did, and it turns out that the earliest recorded example of Birtherism is from the president's own literary agent, way back in 1991, in the official bio of her exciting new author: "Barack Obama,...