This morning, we toured Graceland before hitting the road again. It took us just less than three hours to wait in line, go through the self-guided tour, have a break for a cold drink, and visit the gift shops. I had purchased the tickets ahead of time to pick up at the will-call window. As it turned out, that was the longest line when we were there, and it didn't help us to get any priority to take the tour. After getting our tickets, I noticed that the clerk had...