On Thursday Bernie Sanders had a meeting with President Obama at the White House. Afterwards he gave a short speech outside the West Wing. Of course Senator Sanders displayed many body language signals - and one in particular is highlighted here.
This near microexpression was captured during 4:43 the instant after the Vermont Senator says, "... I spoke briefly to Secretary Clinton on Tuesday night ..."
In this close up we can more easily see clearly the primary emotion being displayed here: that of bitter-regret (while there is a secondary component of anger)
This same facial configuration is also displayed at the very end of the video (during 5:05) after Senator Sanders finishes his speech is turning away.
He knows this signals the (very near) end of his campaign and thus it's very natural and expected for him to feel a deep and bitter-regret.
See also:
Nonverbal Communication Analysis No. 3584: Brock Turner's Mugshot, Duping Delight and Body Language
Nonverbal Communication Analysis No. 3581: Hillary Clinton, Likability and Body Language
Nonverbal Communication Analysis No. 3579: Donald Trump, Trump University Lawsuit and a Judge's 'Mexican heritage
Nonverbal Communication Analysis No. 3572: Bernie Sanders on Jimmy Kimmel - regarding Donald Trump Debate
Nonverbal Communication Analysis No. 3557: Meghan Trainor Falls on Jimmy Fallon as She Finishes "Me Too"
Nonverbal Communication Analysis No. 3529: Vladimir Putin's Alpha Body Language - Correlations between the Hands and the Face
Nonverbal Communication Analysis No. 3504: Raúl Castro Lifts Barack Obama's Arm at Press Conference
Nonverbal Communication Analysis No. 3460: Eli Manning Reacts to Bronco's Super Bowl Touchdown
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