Speaking from the Right, I’m fairly certain these remarks don’t even represent the (majority of the) letter-signers:

But in an interview with POLITICO, Manuel Miranda – who orchestrated the letter – went much farther, saying thatMitch McConnell should “consider resigning” as Senate minority leader if he can’t take a harder line on President BarackObama’s first Supreme Court nominee.
Miranda accused McConnell of being “limp-wristed” and “a little bit tone deaf” when it comes to judicial nominees.