“I thought I was so smart,” Bianca said. “We had a problem with an ingenious solution. But, when we executed the solution, we created another problem.”

“As always,” I smiled. “The solutions we employ will always create the next set of problems. Indeed, I can always tell a team that is stuck. They are still working on the same problem from the last time I saw them. I can tell when a team is making progress, because they are always trading up one set of problems for another set.”