Survey also predicts Gideon Sa'ar would score far better for right-wing bloc than premier if he leads ruling party; however, all scenarios still show political stalemate persisting
But survey suggests 3rd round of voting in less than a year would fail to break political gridlock; majority say Netanyahu can't remain PM in light of graft charges
In second round of coalition talks, kingmaker party Yisrael Beytenu declines to endorse any candidate for PM, while Netanyahu's right-wing allies reiterate their support for him
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