Teen phenom Lydia Ko, Jiyai Shin share lead heading into Australian Women's Open finale

Lydia Ko, 15, is on the cusp of her fourth victory in a professional tournament after matching Jiyai Shin's third-round 3-under 70 and sharing the 17-under lead with the eighth-ranked golfer heading into Sunday's finale of the Australian Women's Open. A triumph for Ko would make two in seven days after the teen prodigy won last week's New Zealand Open. Whatever the outcome, the South Korean-born Kiwi resident will have to turn it around quickly, with her next bout, the Honda LPGA Thailand, sched...