Though Ariel Sharon is expected to recover fully from a mild stroke he suffered last week, his sudden lapse of health raised some questions.

What would Israel politics look like without “The Bulldozer”? What would Sharon’s absence mean for the prospects of Mideast peace? And how would it affect Kadima, his newly formed political party?

Sharon’s transformation in recent times from hawk to pragmatist — becoming the first Israeli leader to relinquish land the Palestinians claim for a future state — has led many Israelis to view him as their best chance for peace.

Just four weeks ago, Sharon touched off a political earthquake by leaving the hard-line Likud Party he helped found in the 1970s, setting up a centrist faction called Kadima that captured a quick lead in polls before March 28 general elections.

Kadima is well-positioned to form a coalition with a solid majority in favor of further territorial concessions.

Leaders in Israel and abroad — including Egyptian President Hosni Mubarak, once a bitter Sharon enemy — have said only Sharon could lead Israel to peace with the Palestinians.

High hopes have been placed on Sharon since his historic about-face from being the fierce champion of Jewish settlements in the Gaza and West Bank to the man who led Israel’s withdrawal from Gaza and part of the West Bank this summer.

Because of his long career as a security and territorial hawk, many see him as ideally positioned to make the painful compromises that could result in drawing Israel’s permanent borders.

Now Israel and the Mideast may be facing a period without Sharon.

Sharon left the hospital Tuesday, Dec. 20, but he likely will need some extra time to recuperate. Aides said that Sharon was lucid and still running the government.

Though Sharon made history with his Gaza pullout, most Palestinians continue to see him as a dangerous enemy because of his history of leading military operations against them, refusing to believe he would really grant them a state one day.

While Palestinian leader Mahmoud Abbas telephoned Sharon’s office to wish him well, dozens of armed militants celebrated Sharon’s illness in Gaza, firing weapons in the air and handing out pastries to passing motorists.

Speculation about a post-Sharon Israel is not new, since the ex-general is grossly overweight and turns 78 in February. But his incapacitation three months before general elections could have far-reaching effects.

His general health will likely become a campaign issue, with rival parties contending that Sharon’s brief hospitalization highlights the fact that his Kadima is a one-man party and should anything happen to him, the party and any government it heads could fall apart.

He has run his new party single-handedly, and Kadima is, in many ways, synonymous with Sharon himself. The prime minister attracted more than a dozen Likud lawmakers to his side, then added Labor Party stalwart and peace pioneer Shimon Peres and hawkish Likud Defense Minister Shaul Mofaz.

That mix of egos and clashing ideologies is essentially held together by one factor — the imposing presence of Sharon.

Opponents could take advantage of Sharon’s absence to cut into his party’s wide margin in the polls.

Likud, which was badly damaged by Sharon’s departure, elected his successor Monday, former Prime Minister Benjamin Netanyahu.

Although Sharon seems to have recovered completely, Kadima’s Tzipi Livni, the justice minister, responded to the possibility, saying that although Sharon is one of Israel’s most respected prime ministers, Kadima is a party of like-minded politicians with a clear agenda, and will continue to operate long after Sharon leaves politics.

Sharon’s health issue means that Kadima may be forced to address the succession stakes in the run-up to the March election, something it would have preferred to avoid. The main candidates are likely to be Livni herself and Deputy Prime Minister Ehud Olmert.

If Sharon is sidelined, a seasoned campaigner like Netanyahu could use that to his advantage to turn Likud’s fortunes around.

Mideast peace efforts would, in any event, be stalled until after a new Israeli government is formed, and the shape of the government could determine the fate of negotiations.

If Sharon’s absence diminishes his party’s standing — and Likud and other hard-line parties gain strength — the same political stalemate that has plagued Israel could return, undermining peace efforts.

JTA correspondents Dina Kraft and Leslie Susser contributed to this report.

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