The lesson is screamingly clear

If I hear another Labour MP say they are going to learn the lessons from Glasgow East I'll thwceam and thwceam and make myself sick!

Douglas Alexander has just joined in, saying that he promises to learn the lessons. In which case we now know for certain that he breaks his promises.

Because the lesson is written in 80' high scarlet neon lights, and it is made up of four words: Brown is a loser.

Any response other than getting rid of Brown does not involve learning any lesson at all. Every time any electorate has been given the chance to speak - whether in by-elections or local elections, or even the much-derided polls - they have said one thing, loudly: Brown is a loser.