You could go back as far as you want, but the bulk of voters and those in power grew up in the environment of the late 60s through to the early 80s. Their ideo

You could go back as far as you want, but the bulk of voters and those in power grew up in the environment of the late 60s through to the early 80s. Their ideologies were largely shaped by events during that time (which also includes Vietnam, the Iran Contra scandal, etc).