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In a significant victory for President Donald Trump, the US Supreme Court has ruled that $2.5bn of Pentagon funds can be diverted to build a section of wall on the southern border. The wall, dividing the US and Mexico, was Mr Trump's major campaign promise during the 2016 election. So how exactly will the money be spent? In other White House news, Mr Trump says he will take action against France after President Macron signed into law a new digital services tax which will mostly hit large American tech companies such as Amazon and Google. Our Marketplace host Kai Ryssdal speaks to Steven Swartz, CEO of the Hearst Corporation, which began life as the owner of a single newspaper and is now one of the world's largest media companies. And as the Fortnite World Cup gets underway in New York, we hear from the 15-year-old finalists who devote hours to the online game, as well as their supportive parents.

Fergus Nicoll is joined throughout the programme by Nicole Childers, executive producer at Marketplace on American Public Media, who's in Los Angeles, and Sharon Brettkelly, bureau chief at Radio New Zealand in Auckland.

(Picture: A small child behind a section of the US-Mexico border wall. Credit: EPA)