By Joe Lauria In its defense last Friday before the World Court against allegations by South Africa that it is committing genocide in Gaza and must be stopped, Israel made a legal argument that could torpedo the case if the court buys it. In order for a claim to reach the International Court of Justice, there must be an established dispute between two states. Israel’s argument is that such a dispute was never established and thus the ICJ lacks jurisdiction to hear South Africa’s claim. There would be a political outcry…