Sandy you are factually incorrect - which is a good thing, in this case (not a criticism of you).*
Perhaps surprisingly, he is #1 among liberals too, so people of all political stripes will be enlightened by Carlson's JFK-CIA segment. Everyone can celebrate this much-needed sunshine on the CIA (and still agree or disagree with his other political views.)
*Source: "Carlson’s 9 p.m. ET program was the top cable news show among Democrats in the advertiser-coveted age range of 25-54."
https://www.thewrap.com/tucker-carlson-liberal-viewership-fox-news/