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Kate McCann will talk live to Jenni Murray about how she and her family have coped in the years that have followed the disappearance of her daughter Madeleine. It's four years since Madeleine went missing on a family holiday in Portugal: the case has dropped from the headlines, but Kate is determined to keep her daughter's profile in the news. She'll be talking about her new book - Madeleine - which is being published on Madeleine's 8th birthday.

How much is a girl's character formed by the traditional notions we have of "feminity"? In a new report for the thinktank Demos, Yvonne Roberts considers some of the figures that have been dreamt up in the past and how they've shaped our view of ourselves - from Wonder Woman to our present day celebrities. Are we free to be the people we want to be without a veneer of acceptable feminity? She'll be talking to Jenni with Professor Carrie Paechter, the author of "Being Boys, Being Girls".

Jenni will also be joined by Dr Rachel Graham from Belize who is a finalist in this year's Whitley Gold Awards for conservation leadership. Rachel has dedicated 20 years to protecting Belize's sharks, rays and other ocean giants - a valuable eco-tourism attraction but increasingly at risk from unsustainable fishing by other countries and coastal development.

And singer-songwriter Rumer will be playing live in the studio.

Producer: Dianne McGregor.

ENDS.