When you open an email from my Dad, you’re never sure what you’re going to get…. A clever joke? A very off-color joke? Photos of baby animals hugging? A cool video of just about anything? Sometimes, I get something seemingly light-hearted and silly…but one that creeps up on you and makes me think….this is one such joke. Bear with me here… An old man, a boy and a donkey were going to town. The boy rode on the donkey and the old man walked. As they went along, they passed some people who remarked “What a shame, the old man is walking and the boy is riding!”  The man and…