Stephen Schwarzman talks to World Business Report

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We talk to the billionaire chief executive of one of the world's biggest investment firms. What's the secret behind the success of Stephen Schwarzman and Blackstone? And how does Mr Schwarzman counter the criticism that his private equity company sacrifices long-term prosperity for short term financial gain? Also in the programme, Poland's governing Law and Justice party has claimed victory in Sunday's election. Jan Sienski from Politico was covering the count in Warsaw and tells us pledges to boost welfare spending partly explain the party's success. Plus our regular workplace commentator, Pilita Clark of the Financial Times, asks whether it's ever acceptable to swear in the office. (Picture: Stephen Schwarzman. Picture credit: Getty Images.)