Tokyo, July 4 (Jiji Press)--Women account for less than 30 pct of candidates competing in the July 20 election for Japan's House of Councillors, the upper chamber of parliament. A total of 522 people filed their candidacies Thursday, when the official campaign period for the triennial Upper House election started. Of them, 152, or, 29.1 pct, are women. Both the number of female candidate...