Japan will impose tougher rules on athletes and staff participating in the Tokyo Olympics from countries hit by the highly contagious Delta variant of the coronavirus including more rigorous testing and restrictions on coming into contact with other people, the government's top spokesman said Monday.The move comes amid concerns the games, set to start July 23, could become a superspreader event as the capital sees infections creep back up just a week after a state of emergency was lifted.Athletes and staff will be required to be tested every day for a week before coming to Japan, during whi…READ FULL ARTICLE