The US is preparing to accuse Russia of disinformation campaigns targeting the presidential election

Some republican, in sincerity.

The already did. The story was updated. Happened right after the story was posted.

I guess there is a difference between "it's known to happen" and "a nation state accuses another nation state"

Yeah there are very few American commentators I'd actually believe are Russian assets except for Tucker Carlson, who has had a pattern of supporting not just authoritarian Russian policy but authoritarian China policy dating even back to his Fox News show (I believe Russia and China are allies)