Democrats won the presidency and held the House by margins so slim they’d make Weight Watchers proud. And the betting is they’ll fail to capture the Senate from Republicans.

Why did they fall so far short of the landslide they expected? Polls were outlandishly inaccurate, but pointing at them is like blaming a faulty thermometer for a grim chilly day — which is especially obtuse when you learned it was broken four years ago. The real reason Democrats lost ground is that voters hate their policies on raising taxes, ending fracking, opening borders, and other matters, as pollster Mark Penn pointed out in the Wall Street Journal.