It's some Supreme Court interpretation of free speech plus legislation. I remember Al Franken talking about this a bit in the context of a law requiring disclos

It's some Supreme Court interpretation of free speech plus legislation. I remember Al Franken talking about this a bit in the context of a law requiring disclosure that he supported but was not successful. Looks like the dynamic hasn't changed much since he talked about it. https://www.reuters.com/world/us/biden-make-remarks-tuesday-election-transparency-bill-2022-09-20/ https://www.reuters.com/world/us/biden-make-remarks-tuesday-...