(Reuters) - Two weeks after stunning the golfing world by making the cut at the Masters, China's 14-year-old Guan Tianlang has again turned heads with another remarkable display at the Zurich Classic of New Orleans in Avondale, Louisiana. The surprisingly mature eighth-grader carded a three-under-par 69 in Friday's second round of the PGA Tour event to finish at three-under 141, right on the cutline. ... More...