...as we close the book on the election, it bears noting that another less obvious bloc of key swing state voters helped the president win a second term. They're the "nones" — that's the Pew Research Center's shorthand for the growing number of American voters who don't have a specific religious affiliation. Some are agnostic, some atheist, but more than half define themselves as either "religious" or "spiritual but not religious," Pew found in a recent survey. They are typically younger, more socially liberal than their forebears, vote Democratic, and now make up nearly 20 percent of the country's population....