From EconomicsHelp.org:
One of the great challenges for economics is to move political debates on from gross oversimplifications and ideological disputes. Issues cannot be solved with a blanket ideology of government’s are bad, government’s are good.
EconProph 
As a bit of rationality, have a look at how the credit crisis shows up in the statistics about the the UK’s budget since the last 10 years. See http://bit.ly/aGrAbn