GOP to host unusual midterm convention. And, Canada's retaliatory tariffs take effect

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Republicans will hold an unconventional midterm convention this week in Dallas. These types of events are typically reserved for presidential election years. Although midterm conventions are uncommon, one fact stands out: President Trump will be the show's main attraction as Republicans grapple with whether to participate. With polls indicating that Democrats are more energized for the midterms, the president is urging his party's voters to act as if he is on the ballot to get them to cast their votes.

In this file photo, Democratic Senate candidate James Talarico speaks during a campaign rally on Aug. 31, 2026 in Kerrville, Texas. Labor Day often marks the unofficial kickoff of general election campaigning. Brandon Bell/Getty Images hide caption

All five of the people killed when an Amazon cargo plane crashed at Miami International Airport were in vehicles on the ground , according to the National Transportation Safety Board. Five other individuals were injured in the crash. NTSB Chair Jennifer Homendy, while sharing preliminary findings, described the crash as "utter devastation." The NTSB investigation remains ongoing.

Canada's latest tariffs on American products went into effect at midnight. Prime Minister Mark Carney imposed taxes of up to 50% on around $20 billion worth of U.S. goods entering the country. This dollar-for-dollar retaliation comes after Trump imposed tariffs on Canadian products after talks broke down between the two countries last month.

An NPR investigation finds that heat kills thousands of Americans every year. But official records radically undercount the toll. In this series, we are bringing you stories that reveal why this happens and what can be done.

Residents living in manufactured and mobile homes face a significantly higher risk of dying from extreme heat compared to those in traditional single-family homes or apartments. Although many mobile home residents are aware of this danger, research and policies are only now catching up to that news. A growing body of evidence points to manufactured housing as a major risk factor nationwide. Contributing factors include the age and condition of these homes, their financing methods, and the financial and health challenges many residents experience. In Arizona, officials have started taking steps in recent years to address the risk posed to these residents. But solving this problem isn't easy .

First-time crop artist Bethany Nagan works on a piece referencing the 1830 "Liberty Leading the People" by Eugène Delacroix and swaps Lady Liberty for a rebel loon on Aug. 19. Alex V. Cipolle/MPR News hide caption