The final stop on President Obama's three-state Midwest bus tour was at the Country Corner Farm Market in the small town of Alpha, Illinois. The president was roughly an hour behind schedule due mostly to a visit with the Galesburg High School football team, and although the crowd showed some signs of fatigue from waiting in the hot sun, most left the event saying it was worth the wait. Although his opening remarks didn't change too much, the president did field one interesting question about the future of the estate tax that is worth looking at. I think it's the...