Israel supporters launch pre-emptive strike on the U.N.

The White House is pushing back hard against a claim by Weekly Standard editor Bill Kristol that the administration is preparing to support an independent U.N. investigation into the Gaza flotilla incident.

Kristol, writing on the Weekly Standard blog, claimed he had heard, "the administration intends to support an effort next week at the United Nations to set up an independent commission, under UN auspices, to investigate Israel’s behavior in the Gaza flotilla incident."

The White House quickly and sharply denied that account.

A White House official told multiple reporters, "We’ve said from the beginning that we support an Israeli-led investigation into the flotilla incident that is prompt, credible, impartial, and transparent. We are open to different ways of ensuring the credibility of this Israeli-led investigation, including international participation."

The official also said, "We know of no resolution that will be debated at the U.N. on the flotilla investigation next week."

Kristol’s allegation, and the White House’s rebuttal of it, is further illustration of the ongoing tension between some in the pro-Israel advocacy community and the administration over how strongly and aggressively to defend Israel in the international arena.

While it’s true there is no specific resolution expected, sources close to the issue say, what pro-Israel leaders like Kristol are worried about are continuing calls for tougher measures against Israel, such as the vote in the Human Rights Council, and whether or not the administration will really oppose them with vigor.

That point is made clearly in the first line of a letter addressed to the president that is currently being finalized by Senate Majority Leader Harry Reid, D-NV, and Senate Minority Leader Mitch McConnell, R-KY. In a rare show of bipartisan comity, the two Senate leaders are calling on Obama not just to oppose new efforts to isolate Israel at the U.N., but to openly declare America’s support for the Jewish state.

"We write to affirm our support for our strategic partnership with Israel, and encourage you to continue to do so before international organizations such as the United Nations," the letter reads.

Commending the administration for working to craft a presidential statement by the U.N. Security Council that didn’t call for an international investigation in the first place, the senators asked him not to support any new ones.

"Israel has announced its intention to promptly carry out a thorough investigation of this incident

and has the right to determine how its investigation is conducted," they wrote. "In the meantime, we ask you to stand firm in the future at the United Nations Security Council and to use your veto power, if necessary, to prevent any similar biased or one-sided resolutions from passing."