Thursday 11 February 2010, 19:00
Here's a puzzle - and to help you solve it, a clue. The Bottom Line is a conversation show where top chief executives and entrepreneurs have a lively debate about business topics with Evan Davis. Now, can you spot the odd-one-out in the following list?
Behind the scenes at Radio 4 and Radio 4 Extra from producers, presenters and programme makers.
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Identifying the top ten game changers operating in the UK today.