Former Chinese table tennis teammates Zhang Jike and Liu Dingshuo have become embroiled in a public feud online, trading accusations of clout-chasing across their respective live-streams, despite having once shared the same provincial training ground. The dispute erupted when 28-year-old Liu took aim at Zhang during a recent broadcast without naming him directly, accusing the decorated Olympian of spending recent years “riding on the national team’s coattails, pulling seniority and stirring up...