There's an excellent interview with Chris Huhne in the Times today. Having interviewed Chris myself with the bloggers' panel, their description of him seems absolutely spot on:
...interviewing Mr Huhne is like circling an intense, watchful cat that seems perfectly friendly but is probably quite dangerous.
The article talks about Huhne's experience in business and journalism:
Mr Huhne, you see, rarely gets into trouble. He makes trouble. When we put it to him that he was seen as harder-edged, the streetfighter to Mr Clegg’s nice guy, he did not demur.