Overall Marco Rubio has a significantly greater sincerity quotient than most of his Presidential-candidate peers (which will certainly benefit him in his pursuit as the Republican Nominee). Yet in this GMA interview, the U.S. Senator from Florida displays significant anxiety tells. And whenever people sense anxiety - it often calls into question their sincerity, likability, trust and leadership.
George Stephanopoulos asks Senator Rubio about allegations regarding misuse of a Republican party credit card for personal use, Rubio displays a significant cluster of nonverbal behavior.
During 2:05 - 2:07 we see bilateral and multiple rapid blinking with deep inhalation and a leaning back in his chair.
Followed by a very evanescent Eye Roll (2:07) indicating an impatient dismissal with an element of contempt.
Rubio then has to clear his throat and performs a hard swallow.
In summary, although verbally Senator Rubio seems to explain this credit card situation well - his nonverbal behavior indicates his anxiety regarding it is disproportionately high - and he has significant impatience and contempt for those who raise questions regarding it.
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