Is the Trade War Back? Also, Examining the Tate Brothers Purported Ties to the Trump Admin | July 21

President Trump is reigniting a trade war with Canada, imposing a 50% tariff on a number of products ahead of Friday's deadline for the expiration of his 10% global tariffs. NBC News chief White House correspondent Garrett Haake explains how the administration could keep using tariffs as a negotiation tactic and how the Canadian wildfires are factoring in. Plus, British authorities are trying to extradite the controversial social media influencers Andrew and Tristan Tate with a new set of rape charges brought against them, which the brothers deny. Heidi Blake, investigative reporter for The New Yorker magazine, explains how their arrest last weekend points to a shifting relationship between the brothers and the Trump administration. Finally, NBC News AI reporter Jared Perlo reports from China's largest AI conference, where the technology is powering robot traffic cops, breakdancers and more.

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