In the growing-up years of long ago, close enough was usually good enough. Precision rules now, though, and “guestimates” that were acceptable then don’t pass muster now.We commonly helped befuddled motorists, suggesting they turn on the county road after crossing three cattle guards, right after spotting a big red barn, or upon seeing a lone chimney, its house burned down by a lightning strike.Kids think we were deprived, not having GPS gadgets to provide precise directions to our destinations. (I still can’t remember what “GPS” stands for.) Sometimes friendships begin when old-fashioned methods of yesteryear are employed.All this to say ...