Trump did not offer any new justification for how Iran was violating the nuclear accord – the IAEA confirmed on May 9 that Iran is in compliance with its nuclear commitments – and offered no Plan B or even a coherent strategy on what comes next. For now, Washington is pursuing confrontation with Iran, and hoping that “maximum pressure” will force Iran to not only abandon any hint of a nuclear weapons program, but also agree to concessions on a range of non-nuclear issues. If history is any guide, there is little chance of this happening, so we are now on a course of escalating confrontation. The U.S. will re-impose all nuclear related sanctions on Iran, which could begin to disrupt oil flows from the country. There will be a 90-day and 180-day wind down period before sanctions really start to bite, which puts the deadline at early November. […]