Tennis takes care of everything. It requires agility and quickness to get to the ball core strength to get power into your shorts and stamina to last for an entire match. In addition to toning your arms and shoulders it's a total body workout for your legs and abs and works your heart and core unlike any other sport.
The lesson of the last year is this: foreign policy can't be managed through the politics of personality and our President would do well to take note of an observation John F. Kennedy made once he was in office - that all of the world's problems aren't his predecessor's fault.