Jeb Bush Operative Planted in the Audience and Caught Taunting Trump

JEBBIE STANDS ON HIS TIPPY TOES TO TOWER OVER TRUMP THEN HE SENDS A PROVOCATEUR IN TO DISRUPT THE SPEECH.
HOW IMMATURE IS THIS?
http://www.rushlimbaugh.com/daily/2015/10/13/jeb_bush_plant_caught_taunting_trump