One of the first investments I made when I retired from teaching was to buy a metal detector. I have not used it as much as I’ve wanted to however. It seems golfing, writing blogs, gardening, lawn work, Facebook, Hallmark movies and marketing books have tended to dominate my waking hours. This weekend I decided it was time to get the twenty year old metal detector out of the closet, replace the batteries and go exploring. Again I faced the…..