President Donald Trump announced today he is pulling the U-S out of the 2015 Iran nuclear deal, which he describes as “defective at its core.” In 2015, former president Barack Obama and the leaders of the United Kingdom, France, Russia, China, Germany and the European Union reached an agreement with Iran that required it to curb its nuclear program. In exchange, the deal lifted some sanctions on Tehran that had previously hindered its economy.The Joint Comprehensive Plan of Action was set to expire in 2025, but today Trump explained the U.S. will begin enforcing the “highest level” of sanctions on the Iranian regime.