Cruz's eyes narrow (anger) and lower lip press down (disgust), clues to "establishment" challenge.
Fiorina bringing intensity, constant emoting.
Disgust and anger, and closed eyes from Rubio best convey his reaction to Obama's policy in Middle East.
Trump says he'd just simply get along with Putin.
Huckabee is annoyed by give-and-take attacks going on on-stage.
Big mock-surprise look from Trump: a new look for him.
Flashes of anger in the eyes, raised lip in disgust: both very virulent emotions from Fiorina.