Pulse Briefing: Strait Hormuz exchange strikes, Senator Graham death, Senate GOP margin narrowing - Monday, July 13, 2026

US and Iran exchanged strikes over the Strait of Hormuz with shipping slowed to multi-week lows and conflicting sovereignty claims. Senator Lindsey Graham died at 71 from an aortic dissection, narrowing Senate GOP margin to 52-48 with McConnell still hospitalized. A US citizen working for a humanitarian organization tested positive for Ebola in DR Congo. The Pulse Briefing is a daily preparedness-intelligence briefing on the national and geopolitical developments that matter for prepared families: energy, supply chains, security, health, and the economy.