Today yet another heat advisory has been issued here, bringing the total to six over the past ten days. (For those of you fortunate enough to be unacquainted with the phenomenon, this means that temperatures in the 90s actually have a heat index of 105-110 degrees, making being outdoors for any length of time unhealthy as well as unpleasant.) Given that my tolerance for the heat seems to be decreasing as my birthdays increase, and given that I generally walk everywhere, I’ve
