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Published online by Cambridge University Press: 04 August 2015
We would like to begin by thanking the commentators for their thoughtful, informed and, for the most part, generous responses. Even Ofer Bar-Yosef, while clearly disagreeing deeply with our whole approach, has invested precious resources of time and thought in our paper. We shall respond commentary by commentary, but there are some common themes in the responses, and we will note those as we go through.