The latest round of talks between the West and Iran in Lausanne, Switzerland broke up today with both sides saying differences still remainbetween the parties. Though the basic principles of the agreement allowing Iran to hold onto a vast nuclear infrastructure are already set, reportedly there are gaps between the sides on the amount of centrifuges it will keep as well as on the timing of the suspension of sanctions that have been imposed on the Islamist regime. The White House is claiming that President Obama is standing firm on his insistence that sanctions remain in place after the deal is signed. But if Iran is confident that he will eventually give in, it’s hard to blame them. The president has already made so many important concessions to Tehran and been willing to expend so much political capital in battles with both Congress and Israel that it’s hard to believe him when he says he will walk away from the negotiations if Iran doesn’t give in to his demands.