Only two candidates were supposed to be center stage for the second US presidential debate at Washington University in St. Louis on Sunday night. But a solitary intruder, a fly, buzzed in, even landing noticeably on Hillary Clinton.
While Clinton's moment with the fly drew the most social buzz, some also noticed the fly was an equal-opportunity visitor.
Many viewers' thoughts flashed to HBO's "Westworld," in which a fly lands on an android character in the final scene of the first episode -- and meets a surprising end.
And some just saw the winged visitor as one more crazy happening in