I've discussed the issue of wrong-headed and myopic anti-Americanism before — it's actually a perverse sort of American exceptionalism not to mention the worst kind of infantile leftism –  but somehow, I have to up the ante.

ABC has published the terrible last message before Dzhokhar Tsarnaev was captured.

It's blood-stained and riddle with bullet holes as police were shooting at him, but here's the text, ,”  handwriting captured in an image obtained by ABC News from a law enforcement official in Massachusetts.:

“The U.S. government is killing our innocent civilians, but most of you already know that… I can’t stand to see such [bullet hole] go unpunished…We Muslims are one body. You kill one of us, you hurt [bullet hole] us all.”

This belief — that crept into the minds of these Chechen immigrants from Dagestan via the Internet in YouTubes and by the jihadists Tamerlan Tsarnaev met in Dagestan — is very widespread not only among the jihadists of the world, but just ordinary non-violent leftists, "progressives," liberals and then Ron Paul style conservatives and libertarians.

That belief says that America is out killing Muslims as some kind of national program (supposedly), and killing them more than anybody else. And international Islamic solidarity demands that America be struck when any one Muslim then dies. It would be interesting to learn what Muslims Dzhokhar thinks the US killed. Most likely he'd vaguely reference Iraq — even the most of the civilians killed there were not killed by US troops, but by terrorists and fighters, including those supported by Iran, Syria, and Al Qaeda. Same for the other wars in Libya or Afghanistan — it's not the US troops doing the lion's share of killing. Theories about the US "creating a theater" are lame because the terrorists kill after the US leaves.

Yet this idea of American supremacy in mass murder never gets challenged and never diminishes and is growing into a staple of the world mental diet that now is a direct cause of terror and direct harm to Americans everywhere, along with any others they protect.

Where does this notion come from, originally? Well, Soviet propaganda, for one — decades of it. Garish propaganda cartoons in Pravda with blood-thirsty Uncle Sam and the "intrigues of imperialism."

But here's where most people encounter it:

"My own concern is primarily the terror and violence carried out by my own state, for two reasons. For one thing, because it happens to be the larger component of international violence. But also for a much more important reason than that; namely, I can do something about it. So even if the U.S. was responsible for 2 percent of the violence in the world instead of the majority of it, it would be that 2 percent I would be primarily responsible for. And that is a simple ethical judgment. That is, the ethical value of one’s actions depends on their anticipated and predictable consequences. It is very easy to denounce the atrocities of someone else. That has about as much ethical value as denouncing atrocities that took place in the 18th century."

Yes, Noam Chomsky. Whose books are now the textbooks in every high school and college; who is in every book store; who is on every reading list; who is quoted and blogged and adored everywhere. He was once supposed to be the alternative to the establishment, that was supposed to be hegemonic; now he is all-pervasive and he has hollowed out whatever establishment ideas were once available to be contrasted. They're gone. Now there's only this: America is the worst, America is responsible for the most violence — and then the deadly conclusion: therefore terrorism has to be used against America.

Chomsky only coyly hypotheses that even if the US weren't "the larger component of violence in the world" — and therefore responsible for the largest percentage of deaths — he would still only address America. But in fact he really believes it to be the main cause and says so everywhere. And his insistence on Americans obsessing only about what he thinks are its responsibility leaves gapingly open the problem of what to do with all the other real mass murderers in the world. Ignore them?

Challenging this false belief — now actually responsible for the terrorism of 9/11 and the Boston bombing and many other mass shootings and bombings here and around the world — has to become central to US government counter-intelligence and counter-propaganda.

The US State Department came out of its reset torpor to finally print things like "the 10 Fictions of Vladimir Putin" in the Crimea.

Now they really need to tackle this: they need to start an all-out, thorough, diverse, all-hands-on deck campaign again this pernicious idea that America is the worst killer — or a subtler variant, that even if it isn't, we Americans have to obsess only about America and not the real killers of the world. This is only aiding and abetting them.

And that's why the US government has to directly take this on; to speak of it; to include it in presidential speeches and speeches by the secretary of state. They must begin to call this out authoritatively.

It doesn't matter if cynics and "progressives" laugh and ridicule it and claim it's only propaganda, or if even concerned liberals say it's ineffective. The point is that the work has to begin everywhere — otherwise it's death.

Every day, on Twitter, on Facebook, on G+, I see the Dhokhar/Chomskian perspective in a dozen ways — in claims that US troops kill the most in history and today (utterly false, which is why I started my Not Killed By American Troops blog); in claims that America is responsible for the most violence in the world.

It's not.

That dishonor belonged to the Soviet Union and its allies, notably China and Vietnam and Cambodia and North Korea — and later it belonged to Russia, Iran, Sudan, Democratic Republic of the Congo, and so on. All of these countries' killings utterly dwarf anything the US does.

Routinely, in Afghanistan and Pakistan each week and each month, dozens, even 50, even 100 people are massacred by terrorists. This completely outweighs any such violence in Palestine, the obsession of the American left, or anything the US was responsible for in Iraq or is now in Afghanistan. The overwhelming majority of civilian deaths in Afghanistan are caused by the Taliban; the UN explains this.

Yet when Amnesty International publishes a chart of arms sales around the world, and explains that while the US may lead in arms sales, Russia leads in arms sales to conflict zones and is responsible for deaths, people howl. I can't even find this chart online anymore. Can you? But it was there, and I left comments on it. Amnesty was right, although cowardly in not keeping it in view. Russian arms traffic is appalling — and it largely goes through the port of Odessa, which is why Putin wants to control Ukraine. It's a hugely lucrative business of billions of dollars and the results are mass deaths in places from Sudan to Afghanistan. Yet no one admits it.

We are now in a situation where this fashionable college affectation — Chomsky as a "brave" dissenting view 20 or 30 years ago to Reaganism or Bushism — is now the deadly center of gravity all over the world in numerous peaceful political parties not to mention terrorist groups. It has to stop. The US is definitely not anything like "the worst" killer in the world, historically or currently, and the reality of Russia's role, and China's role, and Iran's role, and Sudan's role and so on has to be called out.

This has to start with a really thorough effort in the US government — starting with challenging this belief in the ranks of civil servants and foreign service officers themselves — because some of them suffer from this misguided framework themselves — it permeates the schools now.

Every single US officer abroad should be explaining everywhere that the real killers of Muslims are Islamists in Pakistan or Afghanistan; that the real killers of masses of civilians are in Nigeria or Sudan or the DRC, including Islamists killing their fellow Muslims as well in the first two countries.

If they don't, they risk remaining idle as terrorism gathers speed.