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The World at One, or WATO ("what-oh") for short, is BBC Radio 4's long-running lunchtime news and current affairs programme, produced by BBC News, which is currently broadcast from 13:00 to 13:45 from Monday to Friday. The programme describes itself as "Britain's leading political programme. With a reputation for rigorous and original investigation, it is required listening in Westminster". From 7 November 2011, the programme was extended in length from 30 minutes to 45 minutes.