Japan had its most successful day of the Tokyo Paralympics yet on Sunday, with medals from the pool and athletics doubling the host nation's gold medal tally and taking it to four.Naohide Yamaguchi won Japan's first gold of the day at the Tokyo Aquatics Centre, improving his own world record in the men's SB14 100-meter breaststroke in 1 minute, 03.77 seconds, cutting 0.23 off his previous mark.But he said the medals are not the only benefit of competing at the games, citing the camaraderie as another dividend."As a competitor in the SB14 class, I have been able to interact with athletes wit…READ FULL ARTICLE