SummaryRubio: The "ultimate deal" is the denuclearization of Iran , while Omani talks focus on reopening Hormuz. Deal optimism sees oil slide: Brent fell below $80 on reports of progress in Oman-mediated Hormuz talks. Brent fell below $80 on reports of progress in Oman-mediated Hormuz talks. The two sides continue to be far apart, despite the Tuesday morning onslaught of 'Hormuz deal imminent' headlines. "We may have an Iran deal tomorrow to open Hormuz," Treasury Secretary Scott Bessent declared, signaling that a major diplomatic resolution is within reach.