It was basically no surprise that Japan's Kohei Uchimura won the gold medal for men's gymanastics all-around. But it was a surprise that Marcel Nguyen of Germany took silver at the last minute — even to him.
"These gymnastics folks...I don't understand how they do what they do," said the president. "How do you not bust your head everytime you're on that little balance beam? I couldn't walk across that balance beam."