Former Israeli army chief Gadi Eisenkot emerges as Netanyahu’s leading election challenger

JERUSALEM — Israel’s high-stakes election on Oct. 27 pits the longest serving prime minister, Benjamin Netanyahu, against the highly decorated retired Lt. Gen. Gadi Eisenkot. While fairly new to politics, Eisenkot has an impressive resume that could help him become the Jewish state's next leader.

According to a number of polls, Eisenkot's centrist political party, Yashar, has a narrow lead over Netanyahu's Likud. To form a government, Yashar or Likud will need to cobble together a 61-seat...