I caught 3 nino seconds of the debate while surfing the tv. First impressions is the bobbing heads doll/head. HENCE : 1) bob your head to move your head down quickly as a way of showing respect, greeting someone, or agreeing with them. 2) The “bobble-head doll syndrome (BHDS)” is a rare and an interesting movement disorder characterized by continuous or episodic forward and backward head nodding at times associated with side to side movements of the head of 2-3 Hz frequency. Known to mostly politicians ( I added the last four words)