The independent candidate for US president, Robert F Kennedy Jr, has dropped out of the race and backed the Donald Trump. What impact could his endorsement have on the presidential race?

Also on the programme:

The sacked BBC presenter Jermaine Jenas has apologised for messages to women which led to his dismissal - but says he did nothing illegal. We have the latest.

The artist behind a major new slavery memorial, chosen today by the Mayor of London, tells us what inspires him.

And an undelivered postcard has finally arrived - only 121 years after it was first dropped in the post. We discuss the mystery it contains - and in the age of the text and selfie, the postcard's enduring appeal.