Japan has asked nations sending their heads of state or government to this summer's Olympics and Paralympics to limit the number of each of their accompanying staff to 11 people, sources with knowledge of the matter said Saturday.The restrictions are aimed at enabling countries' "Olympic diplomacy" while minimizing the risk of the further spread of the novel coronavirus in the host country through the world's top sports extravaganza, the sources said.Countries are also requested to limit the size of their Cabinet-level delegations, such as those headed by the sports minister, to five people…READ FULL ARTICLE