NEWS: Palestinians and Israelis have not yet agreed on another round of talks. Significant challenges are facing efforts to revive them. The EU says there is still hope they will continue and is reportedly working on an incentive package for Palestinians. Hanan Ashrawi says Israel is “thwarting all efforts” to continue negotiations. Some experts say Palestinians are looking for alternatives to continued talks. Jailed Fatah leader Marwan Barghouti is placed in solitary confinement following recent public comments. Palestinian officials doubt elections will be held in May, as planned. Palestinians are concerned about new Israeli search technologies involving nausea-inducing gas. Hamas says it's trying to improve relations with Jordan. COMMENTARY: Carlo Strenger says politicians, including PM Netanyahu, and others should stop misusing the Holocaust. Israel Harel says Israel's High Court should create a constitutional court. Roni Brizon says religious and nationalist extremists are taking over Israel. Gershon Baskin says Israel will only find security through peace. Jonathan Rosen says Israel will probably have an election before October. Douglas Bloomfield says negotiations might be futile at this stage but they are still necessary. Gal Beckerman says Sheldon Adelson's apparent ability to change Newt Gingrich's attitudes on Israel and the Palestinians shows one person can affect an election if they're willing to spend enough money. Joel Braunold says the apparent failure of negotiations doesn't change the fundamental realities facing Israelis and Palestinians. Eyal Press looks at a new Israeli film about law and the occupation. Ronen Bergman asks if Israel will attack Iran.