Goodness, voting mail shenanigans are in the news. I hope to find time to blog about this experiment that has got political scientists at Dartmouth and Stanford in hot water. But for now, a quick post on another technique—this one the fruit of partisan politics, rather than an attempt at knowledge production—designed to affect voting outcomes. Nudges sometimes leverage social norms about what most people do or what most people think people ought to do to make it more likely that individuals so nudged will do that thing, too. Images (click to enlarge) and links after the jump.