When I think of Potato Salad, I think of my mother and paternal grandmother.  Summer picnics and backyard parties are the first memories that come to mind.  But I came to realize that not all potato salads are the same.  My grandmother kept her recipe basically the same.  Usually russet potatoes off the ranch and farm she and my grandfather owned in Central Oregon.  She would add mayonnaise, out West "Best Foods" was her mayonnaise of choice if she didn't make it from scratch.  She would add a b