Last week, as a frothy stock market continued to zigzag across a high plateau, two events occurred with significant implications for the macroeconomic outlook. First, the President signed a Memorandum of Understanding with Iran, potentially bringing the Iran war to a close. Second, Kevin Warsh presided over his first meeting as Fed Chairman, resulting in a slightly more hawkish tilt to monetary policy in the short run and the promise of significant reform in the long run.