a photograph of a baseball signed by Rose, with the inscription “MR. TRUMP PLEASE MAKE AMERICA GREAT AGAIN.”

If Kasich does manage to hold off Trump, he will still be far, far behind in the delegate count. But, assuming Rubio drops out, the Ohio governor will be the sole remaining moderate conservative alternative to Trump. (Please note: I use the term “moderate conservative” only in the context of this national contest. The last time I applied it to Kasich, a number of Ohioans contacted me and pointed out that his record there is very conservative.)

If Kasich were to win Ohio, he would go into some big primaries in the Northeast and on the West Coast with the hope of picking up Republican voters and big-money donors who previously hadhave three hundred and sixty-seven delegates, and recent polls in both places show Sanders trailing by twenty points or more.

But that doesn’t mean the Vermont senator is destined for a bad night. Coming off his victory in Michigan, he has concentrated his efforts on Illinois, Missouri, and Ohio, which between them have four hundred and twenty-five delegates—more than Florida and North Carolina. Appearing in Youngstown on Monday, Sanders pressed the arguments about trade that worked so well for him in Michigan. Invoking the North American Free Trade Agreement, he said, “I proudly stood with the workers. Secretary Clinton stood with the big-money interests.”

If Sanders can somehow sweep these three Midwestern states, it will be something of an earthquake for the Democratic Party. Even if he won two of