One thing's for certain, it is, as the DP says, a trainwreck press conference - for Mandelson in particular. You know that when he adopts that menacing, patronising tone and starts telling reporters of Boulton's calibre to 'calm down', he's lost it.
When he was saying 'calm down' to Boulton, Mandelson was talking to himself. Have a peek:
A shocker for Mandy, the pair of Balls either side of him, and for Labour. You call that 'losing the plot'. More please!