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Signatures of David Cameron, Ed Miliband and Nick Clegg

14 January 2013 Last updated at 14:51 GMT

The chairman of the British Institute of Graphologists looked at the signatures of David Cameron, Ed Miliband and Nick Clegg to see what secrets they reveal about the political leaders.

Adam Brand first looked at the "child's doodle", or coiled springs, in the signature of the new US treasury secretary Jack Lew, which could end up on newly printed dollar bills.

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