Talks are taking place in Vienna over Iran’s nuclear program amongst the United States, our European allies, and the Iranians. The Obama administration has pursued an aggressive diplomatic strategy towards Iran, rooted in international legitimacy. As a result, these talks have seen an increase in pressure on the Iranians while the international nonproliferation regime has also been strengthened. This is a welcome contrast to the Bush years, when tough sounds about Iran were made while the Iranians built up their nuclear program without delay. Because of the administration’s approach, the Iranian regime is under a level of international pressure that they have never felt before.