If you zoom way in on his official portrait you can see that the flesh from his brow folds over and almost completely covers his upper eyelids; you can mostly only see the eyelashes poking out and what you can see of the eyelids are in shadow:
(CW: the cold, soulless stare of a couchfucker)
Left eye
Right eye
I’ve never heard this term before, but I think the key phrase is “party who disagrees with a speaker’s message.” Presumably, the people calling in bomb threats are on the same page as Vance, so they’re not hecklers, and any pressure on Vance to stop is an unintended side effect. If people were calling in bomb threats to Vance’s rallies, that’d be a heckler’s veto.
Ultimately, though, who the fuck cares. Jesus Christ, libs are insufferable.