Patricia Hewitt said that as general secretary of the NCCL in the 1970s she took responsibility for the mistakes that were made and apologised for having "got it wrong" on the Paedophile Information Exchange.
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The Democratic presidential candidate may also have shown his cards on his choice of running mate.
The US president also shared a post on Twitter accusing Dr Anthony Fauci of misleading the public over hydroxychloroquine.
Fears over an impending second wave of coronavirus dominates Wednesday’s front pages.