In Anderson's defense...kind of a loaded question and the guy kept asking it even when Anderson gave an answer. He should have thrown the podium aside on and gone Jim Everett on the guy.
That...or just answered the question.
It's a poorly worded question. He could have simply asked what he was laughing about on the sideline. Instead he asked him "why were you laughing when you were down 24-6?" He was provoking him. Guy asking was a jackass.
He asked what everyone wanted him to ask - that's what reporters are supposed to do.The camera had focussed on DA laughing and the game commentators had noted it... it was already a story, and it made sense to put the context of the question into the asking of it.
DA initially denied it until he realized by the reporter's question that he had been caught on camera .
DA's reaction to the question suggested it caught him by surprise and the reason behind the sideline jocularity was one he didn't want to publicize.