"The October election in Israel will be the voters’ verdict on Benjamin Netanyahu," writes Ian Bremmer.

Benjamin Netanyahu, Israel’s long-serving leader, could face a fierce challenge from former military chief Gadi Eisenkot.

Recent polls show that most Israelis want Netanyahu out of office, with former military chief Gadi Eisenkot emerging as his main rival.

Israel's parliament announced national elections will occur on October 27. This vote is widely viewed as a referendum on Prime Minister Benjamin Netanyahu's leadership. Netanyahu,…