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The factors behind the latest resignation of a British prime minister, US politics and society on the eve of the country's 250th birthday and the results of the Colombian presidential election.

John Simpson, in discussion with the BBC's unparalleled range of experts across the world, examines the factors behind the latest resignation of a British prime minister, explores the state of US politics and society on the eve of the country's 250th birthday and analyses the results of the Colombian presidential election.

Release date:

26 minutes

On TV

Saturday 12:30

Broadcasts