In most ways, my own politics tend to be Liberal-Left: I support single-payer, universal healthcare, I opposed the war in Iraq and the Bush-Cheney 'imperial presidency,' I even voted twice for Ralph Nader. However, like French philosopher Bernard Henri-Lévy, I differ on Israel and reject the demonization of Israel, whether at the United Nations, in the world media, or among American and European Leftists."
My Opinion
Please note that the author of this article is a leftist himself and yet still manages to portray a valid enough reason as to why leftists should be Pro-Israel, if you are still not convinced after this then perhaps you are not a leftist but a delusional fascist...