Paul and Lee to me, are more "libertarian" and "constitutionalist", both per that "Conservative Review" receive very high marks.
So, it's a bit of a different conservatism. I still don't like a lot of what I've heard from both, but I wouldn't call them 'RINOS", I had Cspan on the other day.... iit was almost the Mike Lee show, he was on, certainly a lot of the time.
See, Paul and Lee may vote against things and their reasoning is, "That's not a delegated power to the president", while I agree with that, unless everyone is being "STRICTLY CONSTITUTIONAL" it works just so far.
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Again, reiterating, check their CR ratings from Levine, Paul and Lee are hardly RINOS, they are something else but they are still conservative.