Slap/punch the microphone during his press conference the other day? What was the context, was he demonstrating what Devedorf did to the co-ed?
He did that after about the 4th interruption due to feedback from the mic.
http://www.youtube.com/v/jf_-wxqE5hI&hl=en&fs=1&color1=0x006699&color2=0x54abd6