The tragedy of a Chinese toddler who choked to death on the tapioca bubbles in his milk tea has sparked heated online discussion about parental responsibility. On October 24, the three-year-old’s father, surnamed Li, posted a surveillance video of a playground in a shopping centre in eastern China’s Zhejiang province. In the clip, the boy takes a sip of the bubble tea his mother bought him before playing on a trampoline on October 19. Li said his son passed out a minute later and despite his...