For any US members of the Nerd Tribe who are a bit undecided on the relative benefits and harms of voting in the upcoming elections, let’s take another look at whether partisan control of the 3 branches of the US government makes any difference to economic and social outcomes. Summary: Republican presidents are bad & Democratic presidents are good for the deficit as a fraction of GDP. The rest mostly doesn’t survive LASSO regularization, leave-one-out crossvalidation, and a low error rate on predictions.