Campaigning for the Tokyo gubernatorial election officially kicked off Thursday with incumbent Gov. Yuriko Koike facing a record 21 challengers, as they focus on the ongoing coronavirus crisis and the metropolitan government's response to it.In the July 5 election, the candidates will also highlight the postponement and future of the Tokyo Olympic and Paralympic Games, which had to be rescheduled to the summer of 2021 due to the pandemic.Including Koike, a total of 22 people -- the most for any Tokyo gubernatorial election to date -- have filed their candidacies with the capital's election …READ FULL ARTICLE