When Aric Knuth was a little kid, his dad would leave for six months at a time. He was a merchant marine. And Aric would record cassettes of himself and send them. He'd leave one side blank, for his father to record a response. But he never did, even though Aric asked him to on every tape. Aric talks to host Ira Glass about what it was like to finally ask his dad why. (7 minutes) Childhood • Fathers • Jobs/Employment