What is you can change why people belief through the creation of ideas, particularly economic ideas?

Think about how Keynes was killed off, and replaced by Milton Friedman and the Chicago gang.

Ideology is an important source of power in modern societies.  

Control how people see the world, and you can coerce them into doing what you want without them knowing it......

And I'll give my consent to any government that does not deny a man a living wage-Billy Bragg