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Alexei Sayle reviews Turner, Monet and Twombley

24 August 2012 Last updated at 10:58 BST

A bold new exhibition at Tate Liverpool brings together works by three different artists - Turner, Monet and the America painter Cy Twombley.

The common thread is that each produced their most radical work during the twilight years of life.

Comedian Alexei Sayle joins Andrew Graham-Dixon to see if any common preoccupations emerge in the paintings.

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