Don't you, forget about me... don't, don't, don't, don't.
David Gergen warned an "embittered" president will now focus on "getting even."
David Gergen also said testimony about Sondland's phone call with Trump about "investigations" is hurting the president.
The president wrote a letter to the Turkish leader telling him not to invade Syria, saying: “Don’t be a tough guy. Don’t be a fool!"
David Gergen says Trump's message to Americans who didn't vote for him was: "I don't give a damn what you think."
"Please don't stay on the sidelines as America struggles to find the best path forward. Come off the bench and get into the arena," David Gergen said.
They're both populist movements, according to this former presidential adviser.