China’s Yu Zidi was less than a year old when Siobhan Haughey first made the world sit up and take notice of her talent in the pool, 13 years later they are both Asian Games gold medallists and young talent is the order of the day. On Monday, Haughey defended her women’s 200m freestyle title with a crushing victory, and Yu laid down an Asian record in winning the women’s 200m individual medley. Three years ago in Hangzhou, it was Haughey setting regional and Games records, and while not “as fast...