蜜芽传媒

US President Donald Trump has welcomed a Supreme Court ruling allowing his travel ban to be partly reinstated as a "victory for our national security". We hear from Justin Cox at the National Immigration Law Center.

It is 20 years since the publication of Harry Potter and the Philosopher's Stone - the first Harry Potter novel by JK Rowling. The seven volumes have sold nearly 500 million copies making it the bestselling book series of all time. We speak to Rosamund de la Hey who helped market the book when it was first published in 1997.

Plus our regular commentator Lucy Kellaway of the Financial Times compares the virtues and strengths of younger versus older employees in the workplace.

Rob Young is joined throughout the programme by Melissa Chan in California and Simon Littlewood from Singapore.

(Photo: Line at Miami Immigration Credit: Joe Raedle/Getty Images)