Trump’s tweet over the weekend that Saudi Arabia agreed to add 2 million barrels per day (mb/d) of supply confused the oil markets, pushing prices down a bit on Monday. Most analysts dismissed the statement, concluding that Trump was confused when the Saudis told him they have 2 mb/d of spare capacity, and not that they had planned to bring that capacity online. A few days on from that episode, however, it actually doesn’t look that black and white. ...