"is that neocons are so determined to tell all the rest of us how to live"
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it is usually the Puritans of the Left, Marxists, NDP ...that tell people how to live

Thou shalt worship in the church of climate change
Thou shalt spend thy money (not mine) on social programs and be compassionate even if thou go into deficit and debt
Thou shalt be politically correct, diverse, inclusive and not marginalize