[acallan]

> there could be stronger laws against media which contains objectively provable lies

this is a clear violation of the First Amendment, which makes it legal to publish lies.

[acallan]

> What about slander and libel laws or laws about claims made in advertisements?

Yep — here we're getting into Prior Restraint. It's both against the law to restrain free speech such as lies, but as you rightly point out, this speech can have other legal consequences.

[Eddy_Viscosity2]

Well there we go, an established framework for how this could work. Legal consequences are good enough.

[Eddy_Viscosity2]

What about slander and libel laws or laws about claims made in advertisements?