Edition · Saturday, 18 April 2026
What happened, the forces beneath it, why it matters — then your turn.
01 · Lesson · why it matters
Iran says the Strait of Hormuz is open during a ceasefire, and oil prices plunge. Why does a channel you could swim across control a fifth of the world's oil? This is a lesson about chokepoints—geographic bottlenecks where entire systems concentrate their flows, creating points of maximum vulnerability.
Read the lesson →