President Donald Trump has claimed  Iran is having a hard time figuring out who its leader is and that there's infighting between hardliners and moderates. Over the last week, he has repeatedly claimed there are divisions or fractures in the leadership to explain the lack of progress in negotiations. But ABC News has spoken to multiple sources involved in security and policy, and a former head of the Iran branch in the Research and Analysis Division (RAD) in Israeli defense intelligence, who all paint a very different picture. The overall view is that decision-making in Iran is no longer centralized around the supreme leader as it was before the war and the consensus is that there is not a huge gap between different factions within the regime, despite Trump's posts.…