Labor Day and the unofficial end to summer is always a highlighted time for many, but this past Sept. 5 was uniquely special for the Kistner family, of McCook Lake, as they were able to water ski three generations at one time on the lake. “Three generations skiing is awesome,” Steve Kistner stated. Kistner grew up watching his dad water ski. His parents, Ron and the late Dorothy ‘Dot’ Kistner,…