Golf : David Lipsky leads at halfway stage of Alfred Dunhill Championship

David Lipsky goes into the weekend with a one-shot lead in the Alfred Dunhill Championship at South Africa's Leopard Creek Country Club. The American carded a six-under-par 66 for a 136 total at the halfway stage.A quartet of Scottish golfers occupy places 2 and 4.Scott Jamieson also hit a 66 to share second spot with Marc Warren on seven-under-par 137s.Doug McGuigan and David Drysdale are a stroke back on six-under-par 138s