The British playwright Sir Alan Ayckbourn tells Sarah Montague that while any fool can be tragic, it takes timing and talent to be a comedian and "it is the same with writing".
A revival of his play Absent Friends has opened in London's West End and a new play - his 76th - premieres this summer.
You can watch the full interview on BBC World News on Wednesday 28 March at 0330, 0830 and 1530 and 2030 GMT and on the BBC News Channel on Wednesday 28 March at 04:30 BST and on Thursday 29 March at 00.30 BST.
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