Why at least one former NoW editor is likely to know about phone tapping

The intriguing case of Ross Hall.

The Guardian has a genuine scoop in the phone-tapping saga today, with the news that a former News of the World employee, Ross Hall, will testify about being asked to transcribe hacked phone messages.

Defenders of the Murdoch-owned paper say he was junior, in line with the Andy Coulson claim that the tapping was going on below him as he sat in blissful ignorance in the editor's chair.

But there is an intriguing line buried deep in the Guardian story: that...