There were too many players close behind and too many low scores to be had for Lydia Ko to feel at ease at the top of the JTBC Founders Cup leaderboard.That won’t change the 16-year-old New Zealander’s approach Sunday at Desert Mountain.“I’m just going to play my own game,” Ko said. “If somebody goes crazy low like shooting 10 under, 9 under or whatever, it’s not something I can control.”She shot a 5-under 67 on Saturday to reach 16-under 200. Jessica Korda and Lee Mi-rim were a stroke back, and