In the US and Britain, there is a campaign to smear anybody who tries to describe the plight of the Palestinian people. It is an attempt to intimidate and silence – and to a large degree, it works. There is nobody these self-appointed spokesmen for Israel will not attack as anti-Jewish: liberal Jews, rabbis, even Holocaust survivors.

My own case isn't especially important, but it illustrates how the wider process of intimidation works. I have worked undercover at both the Finsbury Park mosque and among neo-Nazi Holocaust deniers to expose the Jew-hatred there; when I went on the Islam Channel to challenge the anti-Semitism of Islamists, I received a rash of death threats calling me "a Jew-lover", "a Zionist-homo pig" and more.

Ah, but wait. I have also reported from Gaza and the West Bank. Last week, I wrote an article that described how untreated sewage was being pumped from illegal Israeli settlements on to Palestinian land, contaminating their reservoirs. This isn't controversial. It has been documented by Friends of the Earth, and I have seen it with my own eyes.

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