Senior Labor members on Thursday called on former prime minister Ehud Barak, the party's former leader, to return to the party and run in its primaries, set to take place in two weeks.
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"There is no figure on the political map with your experience, leadership standing, and national status to succeed and lead a change in government," eight top members of the party said in a statment.
All of the letter's signatories are considered supporters of the party's current leader, Amir Peretz, who has said he will not run in the primaries and will instead seek the presidency.
Polls have consistantly shown that, for the first time since its inception in the 1960s, Labor is not expected to cross the four-seat electoral threashold.
