Kathryn, you are right that Senate candidates like Lamontagne and Rubio would not prove to be Lindsey Grahams when it comes to Supreme Court nominees.
I think this is a whole new dividing issue among GOP primary candidates. I suspect many voters will think that tolerating liberal judicial activists – the kind who might, for example, declare Obamacare to be perfectly constitutional because they like it as leftist policy — is no longer acceptable.