His decision to appoint and then stand by Andy Coulson despite what was already public knowledge was a huge mistake.
If one of his ministers had been that closely involved with one of the key figures at the heart of one of the biggest scandals to hit the media in years, does anyone doubt that Cameron would sack them?
As this is the last I want to say about the NOTW for the time being, I'll just add one minor mea culpa- what I have written about the hacking investigation to date has been broadly right but I probably did unconciously pay less attention to it because the likes of Coulson were Conservative PR guys rather than Labour one's.
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