Before I take up the amusing little matter of whether John Kerry’s claim of having run the Boston Marathon is true, let me share some relevant personal background: I am married to a long-distance runner. As any similarly situated spouse or significant other will tell you, runners are statistics freaks. Over the course of our 11-year-marriage (and nearly three years of courtship beforehand), I have had to listen to the stories behind every race and notable run my hubby has undertaken--from the fun runs he ran as a kid to every college steeplechase race to every community 5k and 10k...