It's a normative continuum between full state regulation (i.e. totalitarian but defensive) and no state regulation (i.e. completely free speech but vulnerable).

It's a normative continuum between full state regulation (i.e. totalitarian but defensive) and no state regulation (i.e. completely free speech but vulnerable). The US is very liberal. Most European countries are leaning towards regulation. See the book "How Democracies Die" for a summary of the three most prominent legal approaches.