Morning Joe 's Joe Scarborough, appearing with co-host Mika Brzezinski on Stephen Colbert's "Late Show" Tuesday night: "This is well before Donald Trump was elected president that my party has betrayed their core values."

Colbert: "But aren't you a Republican?"

Scarborough: "Um I am a Republican but I'm not going to be an Republican any more. [Cheers, applause.] I'm going to become an independent." (Video)