Column: Hammer drops on China’s Sun after years of suspicionBy PAUL NEWBERRYFebruary 29, 2020 GMTThis time, the hammer dropped on Sun Yang. Long the target of anti-doping crusaders, the Chinese swimming star received China’s Sun wins 200 free via DQ, gets shunned on podiumBy BETH HARRISJuly 23, 2019 GMTGWANGJU, South Korea (AP) — Sun Yang was in the middle of controversy at the world swimming championships again...