Mayumi Moriyama, Japan's first and so far only female chief Cabinet secretary, has died, the House of Representatives said Monday. She was 93.While serving as the top government spokeswoman, Moriyama made headlines in 1990 when she tried to present a trophy to a sumo champion on the ring -- traditionally off-limits to women -- and was blocked by the Japan Sumo Association.Moriyama, a graduate of the University of Tokyo who died of natural causes last Thursday, was first elected to the House of Councillors in 1980 after working as a bureau chief at the then Labor Ministry. She switched to th…READ FULL ARTICLE