Real winner of the presidential debate was the red sweater guy. here's jeanne moos. >> reporter: what do a fly, a sniff, and a red sweater have in common? the power to distract us from a doozy of a debate. the fly got a lot of buzz. >> any way he chooses. >> reporter: when it buzzed hillary's brow. >> when they go low, you go high. >> reporter: it lingered on her finger, nestled on her chest. more than a dozen twitter accounts claiming to be the fly. hillary did not swat the intruder on her eyebrow. her restraint caused some to compare her to the robot that didn't flinch on "west world." the f...