She is also (like Yelland) a retiring type who never gives interviews, preferring to let her newspaper - or her assistants - speak for her.

BBC: Changing faces at The Sun

According to the newspaper's editor, David Yelland, monetary union is the single biggest issue facing Britain and, with the encouragement of the newspaper's proprietor Rupert Murdoch, he has repeated its determination to oppose the move at every step.

BBC: By BBC News online's Nick Assinder.