Lydia Ko took a four-stroke lead Saturday in the LPGA Taiwan Championship, putting the 18-year-old New Zealander in position to regain the top spot in the world ranking. Ko had four birdies in a five-hole stretch and closed with another birdie for a 5-under 67 in windy conditions at rain-soaked Miramar. ''It's hard to say, 'Hey, I've got the trophy today,''' Ko said. More...