The world is tired of these troublesome Jews, 6 million -- that number again -- hard by the Mediterranean, refusing every invitation to national suicide. For which they are relentlessly demonized, ghettoized and constrained from defending themselves, even as the more committed anti-Zionists -- Iranian in particular -- openly prepare a more final solution.

These are the words of Charles Krauthammer, writing his piece on the flotilla incident in The Washington Post.

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But even more important, why did Israel even have to resort to blockade? Because, blockade is Israel's fallback as the world systematically de-legitimizes its traditional ways of defending itself -- forward and active defense.

(1) Forward defense: As a small, densely populated country surrounded by hostile states, Israel had, for its first half-century, adopted forward defense -- fighting wars on enemy territory (such as the Sinai and Golan Heights) rather than its own.

Where possible (Sinai, for example) Israel has traded territory for peace. But where peace offers were refused, Israel retained the territory as a protective buffer zone. Thus Israel retained a small strip of southern Lebanon to protect the villages of northern Israel. And it took many losses in Gaza, rather than expose Israeli border towns to Palestinian terror attacks. It is for the same reason America wages a grinding war in Afghanistan: You fight them there, so you don't have to fight them here.

But under overwhelming outside pressure, Israel gave it up. The Israelis were told the occupations were not just illegal but at the root of the anti-Israel insurgencies -- and therefore withdrawal, by removing the cause, would bring peace.

Land for peace. Remember? Well, during the past decade, Israel gave the land -- evacuating South Lebanon in 2000 and Gaza in 2005. What did it get? An intensification of belligerency, heavy militarization of the enemy side, multiple kidnappings, cross-border attacks and, from Gaza, years of unrelenting rocket attack.

(2) Active defense: Israel then had to switch to active defense -- military action to disrupt, dismantle and defeat (to borrow President Obama's description of our campaign against the Taliban and al-Qaeda) the newly armed terrorist mini-states established in southern Lebanon and Gaza after Israel withdrew.

The result? The Lebanon war of 2006 and Gaza operation of 2008-09. They were met with yet another avalanche of opprobrium and calumny by the same international community that had demanded the land-for-peace Israeli withdrawals in the first place. Worse, the U.N. Goldstone report, which essentially criminalized Israel's defensive operation in Gaza while whitewashing the casus belli -- the preceding and unprovoked Hamas rocket war -- effectively de-legitimized any active Israeli defense against its self-declared terror enemies.

(3) Passive defense: Without forward or active defense, Israel is left with but the most passive and benign of all defenses -- a blockade to simply prevent enemy rearmament. Yet, as we speak, this too is headed for international de-legitimation. Even the United States is now moving toward having it abolished.

But, if none of these is permissible, what's left?

Ah, but that's the point. It's the point understood by the blockade-busting flotilla of useful idiots and terror sympathizers, by the Turkish front organization that funded it, by the automatic anti-Israel Third World chorus at the United Nations, and by the supine Europeans who've had quite enough of the Jewish problem.

What's left? Nothing. The whole point of this relentless international campaign is to deprive Israel of any legitimate form of self-defense. Why, just last week, the Obama administration joined the jackals, and reversed four decades of U.S. practice, by signing onto a consensus document that singles out Israel's possession of nuclear weapons -- thus de-legitimizing Israel's very last line of defense: deterrence.

The world is tired of these troublesome Jews, 6 million -- that number again -- hard by the Mediterranean, refusing every invitation to national suicide. For which they are relentlessly demonized, ghettoized and constrained from defending themselves, even as the more committed anti-Zionists -- Iranian in particular -- openly prepare a more final solution.

At least some people understand...