It's his Freudian Slips that make the best broken clock moments.
I think that one is a swing and a miss...for you. He is obviously watching the debate live and referring to Harris as the gaffe machine. If you read these tweets in his voice you'd have known that.
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If I give up drinking, smoking, and fatty foods, I can add ten years to my life. Trouble is, I'll add it to the wrong end.