Morning Joe had the NY1 reporter on to describe the incident.

SCOTTO: "I was taken aback. I have never — you know, I'm used to people giving me pushback for questions but I was not used to something like that."

"He basically came over to me, as you saw, and said that if I ever do something like that again he would throw me from the balcony and he continued to criticize, saying I really shouldn't have asked that question without giving him notice and that he had only really agreed to talk about the State of the Union address."
....
"He seemed angrier than I have ever seen a politician talk to a reporter about a question that he or she didn't like."