Also from the BSA survey I referred to in the previous post, here is how people's attitudes to taxation and spending have changed over time:
The bad news is that the public seems historically to be in favour of tax and spend, on the other hand there has been a pretty dramatic fall in public support for increasing taxes and spending over the five years from 2002 to 2007.
Update: In the comments Matthew plots the support for tax & spend against actual levels of tax & spend. There is a pretty strong negative correllation:
Ed Davey: Ed Balls ate my homework
28 minutes ago