Via Grabien:

COMEY: “Another important thing is the counterintelligence part of this work which is whether the Russians had leverage over the president, that would be part of the counterintelligence investigation. Mueller left that with the FBI. His document is about a prosecutor’s look at whether there are crimes to be prosecuted. Do.”
COOPER: “You think the Russians have leverage over President Trump?”
COMEY: “I don’t know the answer to that.”
COOPER: “Think it’s possible?”
COMEY: “Yes.”