On my recent flight to a conference in Vancouver, a nicely dressed and very polite father and son were seated next to me. Upon boarding, the father looked at me and said about his son, “My apologies for his lack of personal hygiene”. Apparently, the father thought his 12-year-old son was a little rank. The two took their seats with the son sitting next to me. I didn’t notice the boy’s presumed lack of deodorant. Its what happened next that got me. The father took off his shoes and instantly …