Boris Nemtsov murder: Russian opposition MP killed

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A full investigation is promised, but could a climate of fear lead to economic turmoil? Also in the programme, going mobile in Barcelona. We're at the world's biggest mobile phone conference. Our commentator Lucy Kellaway of the Financial Times asks what makes the ideal mix of work and play. And 50 years on from the release of the Sound of Music, we hear from Salzburg why the film still keeps the hills teeming with tourists.