A tough day on the golf course: Choi maintains lead after two rounds of LPGA ShanghaiSportOct 16 at 4:34 AM3 outletsThe Philadelphia InquirerA tough day on the golf course: Choi maintains lead after two rounds of LPGA Shanghai Oct 16 at 4:34 AMWinnipeg Free PressA tough day on the golf course: Choi maintains lead after two rounds of LPGA Shanghai Oct 16 at 4:39 AMPerthNowGood Grace: Aussie Kim tied for second at LPGA Shanghai Oct 16 at 4:56 AM