Dear Pedro, My grandpa recently told me that there was no other mail animal besides you. So would that mean that you are over 100 years old?
—Anthony M., Mathersville, Ill.
I’m a proud successor to the days of the Pony Express, Anthony. But instead of galloping halfway across the country, I trot down the hall. I don’t know what they did without me, but I’m certainly not a centenarian.