DEMOCRATS’ PUERTO RICAN JUNKET WENT LARGELY UNREPORTED IN THE MEDIA … BECAUSE IT’S NOT WORTH MENTIONING WHEN IT’S DEMOCRATS WHO DON’T SHOW UP FOR WORK: This is a good example of the tendency Hal Pashler and I documented in Perceptions of Newsworthiness Are Contaminated by a Political Usefulness Bias. This tendency won’t come as a shock to any observant person who pays attention to politics, but it was fun to run an experiment that confirmed it.

UPDATE (FROM GLENN): As always: