The actual Tour de France ended yesterday. A gutsy little Spaniard, Carlos Sastre, hung on to win, after his best performance ever in the final time trial. The experts said he didn’t have the strength and stamina to hold his lead against a stronger, and favored competitor in that trial. But he ultimately won by 58 seconds, which is a decent margin in the Tour. Like most Americans, I root for the underdog. But that’s not the Tour de France I came to talk about, today. The day before the Tour ended, Barack Obama had the second-to-last leg of his...