Cyberattacks have hit water systems in at least a dozen states, with intelligence officials pointing to Iran. Reuters’ A.J. Vicens explains what’s known.

Michigan’s Democratic Senate primary delivered a major win for the party’s progressive wing. Politico's Samuel Benson explains what Abdul El-Sayed’s victory means for the party in November.

President Trump says a deal to reopen the Strait of Hormuz could come this week, but it’s not the deal he wants. The Wall Street Journal’s Benoit Faucon breaks down a possible Iran-Oman agreement.

Plus, the CDC gets its first permanent director in nearly a year, the Trump administration refunded $100 billion in tariffs, and low water levels on the Danube revealed some long-lost World War II history.