I won't argue with the Guardian. POGS 
Of course, with the proliferation of social media and instant communications this sort of thing happens more and more. I have heard the term 'verbal diarrrhoea' - not a very pleasant expression but it does it does describe quite aptly the ability some people have to talk endlessly without engaging brain before mouth. Nowadays these thoughts can be tweeted and instantly relayed to thousands, if not millions, of people around the world and can't be retracted.
If she is the person she purports to be then she will be regretting this bitterly, if she is the smug champagne socialist portrayed in some sections of the media then she will be bewildered and she won't understand what all the fuss is about.
However, a person who is intelligent, educated, lived life in different strata of society and who holds the position of Shadow Attorney General should have the ability to think before she acts and speaks, so perhaps she wasn't the best person for the job.
Poor Ed, this is all he needed!