Stephen Zunes writes that "assaults on critics of Israeli policies have been more successful in limiting open debate, but this gagging censorship effect stems more from ignorance and liberal guilt than from any all-powerful Israel lobby."[160] He goes on to explain that while "some criticism of Israel really is rooted in anti-Semitism," it is his opinion that some members of the Israel lobby cross the line by labeling intellectually honest critics of Israel as anti-Semitic.[160] Zunes argues that the mainstream and conservative Jewish organizations have "created a climate of intimidation against many who speak out for peace and human rights or who support the Palestinians' right of self-determination."[160] Zunes has been on the receiving end of this criticism himself: "As a result of my opposition to US support for the Israeli government's policies of occupation, colonization and repression, I have been deliberately misquoted, subjected to slander and libel, and falsely accused of being "anti-Semitic" and "supporting terrorism"; my children have been harassed and my university's administration has been bombarded with calls for my dismissal."[160] In an opinion piece for The Guardian, Jimmy Carter wrote that mainstream American politics does not give equal time to the Palestinian side of the Israeli-Palestinian conflict and that this is due at least in part to AIPAC.[161] George Soros has claimed that there are risks associated with what was in his opinion a suppression of debate: