Jon Holmes has once again held a very interesting debate on his show. He asked two callers to have a debate on pies. Listen to the audio above.

Jon Holmes has once again held a very interesting debate on his show. He asked two callers to have a debate on pies. Listen to the audio above.

Jon Holmes has once again held a very interesting debate on his show. He asked two callers to have a&nbsp;debate on pies. Listen to the audio above.

Share The Big Debate on pies: 'Simple Simon met a pieman on pastry tin-der'

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