I went to Cuyahoga Falls, Ohio, Monday to find out. Out of 1,189,530 votes cast the next day in bellwether Ohio, Mr. Santorum lost to Mitt Romney by only 10,288, at last count. He's doing something right, and what one learned in Cuyahoga Falls, an Akron suburb, is that it doesn't have much to do with the famous Santorum controversies over social issues. It's about ObamaCare. And it's about the idea of freedom. ....Rick Santorum should stay in the race, repeating from now till summer the perverse link between the ObamaCare mandate and the American idea of freedom. It looks...