Sir Ian Blair

Up until now, there have been valid arguments on both sides over whether Sir Ian should resign or stay in post.
The news that he tried to prevent the Independent Police Complaints Commission from investigating the incident however damns him, he should go.
The IPCC doesn't escape untarnished, now that we know that the policy of allowing officers to confer and indeed collaborate on writing up their notes and statements was reach in agreement with them. They should be segregated and swiftly interviewed as members of the public are in these situations.