Valerie and Aaron Weiss' '37 Horch collecting its BoS. Photo: Hillsborough ConcoursBurlingame, CA -- An extremely rare and pristinely conditioned 1937 Horch 853 Sport Cabriolet earned Best of Show honors at the 65th annual Hillsborough Concours, held Sunday at Crystal Springs Golf Course.Showcasing excellence in automotive design and engineering, the...