Getting rid of political and personal enemies/rivals via 'leaks'

Chris Huhne and Liam Fox both the victims of leaks; one personal, one political. Ask yourself who has something to gain personally and politically from each? In Chris Huhne's case I think the answer may lie in 'cherchez la femme', in Liam Fox's I think it may be rather more political - and that does not necessarily mean another politician...