A lot of you might have seen this already, but John Sides (of GWU and the Monkey Cage) has a nice piece at 538 that combines data from both Silver and a book by Redlawsk, Tolbert, and Donovan (which Sides blogs a bit about here)...
The great state of Iowa
Unlike Ed Whelan, the Iowa Supreme Court is required by existing norms to actually make arguments in defense of its opinions. One of the arguments they make in Varnum is.
The Iowa Supreme Court's ruling is obviously great news. I happen to be conferencing here in the midwest, but will have more thoughts later. Most immediately relevant is that fact.