It goes back longer than 10 years. I remember hearing 25 years ago 'you could put a monkey in for Labour round here and it'd win' and that would have been true at least another 25 years before that if not, as I said, time immemorial.
Yeh there are always dyed in the wool labour and tory heartlands, but there was still the ability of a tory leader or labour leader appealing to voters who may have been leaning left or right resspectively in the past.
Having said that, the breaking of the so-called red wall recently suggests that if the propoganda is right, some warped idea of nationalism is thrown in the mix, then anything is possible.

