This NPR News Now episode covers the high-stakes Wisconsin Democratic primary, where progressive Francesca Hahn leads against a Republican nominee who voted to overturn the 2020 election. International reports detail mutual airstrikes in the Russia-Ukraine war, a state of emergency in British Columbia due to wildfires, and Typhoon Dolphin’s impact on China. The broadcast also discusses upcoming U.S. inflation data affecting Federal Reserve policy and commemorates the 81st anniversary of the Nagasaki atomic bombing.