(CNN) In a "60 Minutes" interview that aired Sunday, Scott Pelley asked House Minority Leader Kevin McCarthy about the phone call between Donald Trump and Ukrainian President Volodymyr Zelensky that now sits at the center of Democrats' impeachment inquiry into the President. And then this happened:

Pelley: What do you make of this exchange? President Zelensky says, "We are almost ready to buy more Javelins from the United States for defense purposes." And President Trump replies, "I would like you to do us a favor though."

McCarthy: You just added another word.

Pelley: No, it's in the transcript.

McCarthy: He said - "I'd like you to do a favor though?"

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