So far, half of the events scheduled for the stadium tour of Bill and Hillary Clinton have been canceled. Even worse, both of the two out of four events canceled were in the United States, and the two conversations delivered to audiences were both in Canada. Advance ticket sales for last night's scheduled event in Sugarland, Texas, a suburb of Houston, were so dismal that prices were slashed by 90% for the cheapest seats. But even that level of discounting apparently didn't prevent another prospective sea of empty seats, such as the 83% empty arena in Toronto that had to...