The Strait of Hormuz has become the latest test of American naval power, and the balance may be shifting. The U.S. is now finding ways to keep a significant share of commercial shipping moving through the vital waterway, even as pressure on Iran’s energy exports intensifies. So, how did Washington regain leverage in a chokepoint where Tehran once appeared to hold the upper hand? And what does that mean for Iran’s economy and global oil supplies? This special Faultlines edition analyses the turn of events that seem to be working in Washington's favour pertaining to the Strait of Hormuz.