Stewart hosted Palestinian democracy activist Mustafa Barghouti and human rights activist Anna Baltzer, author of A Witness in Palestine, who explained the Israeli-Palestinian conflict from the perspective of the Palestinian side.

According to a letter reportedly written by Baltzer and circulated by blogger Eric Johnson, the show "was overwhelmed with angry emails and phone calls prior to the appearance, and up until the last minute it seemed like they might cancel."

"During the taping the show had its only heckler in 11 years," Baltzer wrote. "The entire staff were very nervous and may come to regret the monumental decision (and not make it again) as they will surely be inundated now that the show has aired."

At one point during the interview, Barghouti asserted: "We [Palestinians] are struggling for liberty, we are struggling for justice. It's Palestinians who have been subjected to the longest occupation in history and a system of segregation that is totally unjust."

At that point, a voice in the audience could be heard shouting: "Liar!"

"Apparently we have Joe Wilson with us tonight," Stewart quipped, referring the US House representative who yelled "You lie!" during President Obama's address to Congress last month.

The segment drew criticisms from a number of pro-Israeli activists and commenters.

"Jon Stewart [had] a couple of disgraceful guests on his show on Wednesday night for a night of Israel bashing," wrote blogger Israel Matzav. "No, there's no pro-Israel counterpoint (perhaps he will try to convince us that ISM activist Baltzer - who is Jewish - is meant to provide balance). And I thought Stewart's was a comedy show. What if no one watched him?"

Not all pro-Israeli voices were as critical.

"It doesn't actually seem that groundbreaking," wrote Rafi G. "He has a Palestinian talking about Palestinian rights and he has an Jewish leftist talking about Palestinian rights. They are advocating a non-violent approach, both from a Palestinian point of view." ...

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