If the Japan Restoration Party — headed by Toru Hashimoto, the mayor of Osaka, and former Tokyo Gov. Shintaro Ishihara — needs a new political slogan, the proverb Kuchi ga wazawai no moto (The mouth is the source of great trouble) would do nicely.

Both leaders have a habit of making offensive statements that attract attention and disdain — and generate long press conferences.

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