Democrats will have cause for celebration tomorrow. According to the FDL Review election model, they’ll retake the U.S. House of Representatives, net four governorships, and nearly retake the U.S. Senate. Our model accounts for public polling (adjusted for past accuracy), state fundamentals, and the relative enthusiasm of each party’s voters. By taking survey data with a grain of salt, our model guards against the sorts of polling errors that misled bettors into thinking that Brazilian President Lula da Silva would lose his bid for reelection and that Likud would cease to be the Israeli Knesset’s dominant party. A Democratic House: Our model predicts that Democrats will win the popular vote for the U.S. House of Representatives by 8.18 percentage points and retake the chamber, 229–206. While our model doesn’t provide seat-by-seat House projections, here’s a spreadsheet with our unofficial ratings. A Republican Senate: Our model predicts that Republicans will just barely keep the S...