TOKYO -- The leader of a small political party with just two seats in the upper house of parliament is emerging as a credible threat to Japan's political establishment.
Newcomer's party could shake up national election that lawmakers expect next year

Reiwa Shinsengumi party leader Taro Yamamoto speaks during a campaign rally in July. Yamamoto has been compared with progressive U.S. lawmaker Alexandria Ocasio-Cortez. © Kyodo
TOKYO -- The leader of a small political party with just two seats in the upper house of parliament is emerging as a credible threat to Japan's political establishment.