David Weigel of Slate has this comment on what the new Almanac of American Politics reveals.  His takeaways include confirmation that “the gerrymanders of 2010 have taken most of the country out of play,” but also that: “Gerrymandering isn’t the only reason the GOP held the House. Gerrymandering only worked because voters stopped splitting their ballots.  Voters have a terrific and true understanding of what policies they’ll get if they vote D or R….”