TOKYO - SEPTEMBER 03: Former Defense Minister Yuriko Koike, prospective candidate to be Japanese Prime Minister, throws the ceremonial first pitch prior to the professional baseball match between Tokyo Yakult Swallows and Chunichi Dragons at Jingu Stadium on September 3, 2008 in Tokyo, Japan. Koike's name is floated as a rival of former Foreign Minister Taro Aso, who has already announced his candidacy after Yasuo Fukuda's abrupt resignation. (Photo by Koichi Kamoshida/Getty Images)
