Donald Trump was speaking about Donna Arthur, estranged mother of Democratic nominee Amy Acton, who has been charged with killing 3 kittens by leaving them in a hot vehicle. I missed the first part of the conversation but he commented on the poor bringing up of Acton, "not like my mother." Then he looked up and said :thank you,Mum."
The camera switched back to Jon Stewart on the Daily Show. He looked up and repeated, "Thank you,Mum.", then looked down at the floor and said, "You too, Dad."