 There's two things on the table here, John, and it's a great question. One is the nuclear issue and one is the general hangover and drama of U.S. foreign policy and military deployments in the Middle East over the past two decades. The nuclear issue, the Biden administration's philosophy is quite clear. It believes that pressure drives the program. It's been looking to use everything from JCPOA talks via the P5 plus one to informal back channels to find ways to try to plea with Tehran.