Most of us are watching (at least bits and pieces of) the Olympics. We stand witness to record breakers, medal takers, and status quo shakers. Athletes amaze us with their intense focus and tenacity. And overcome with pride, we all tear up when we see our flag raised, in honor of our champions. But we have to know that even those world-class athletes don’t have gold medal performances everyday. I went for a run last night. But about 2 miles...