Has anybody seen this yet?
at about 22-23 secs the letter start disappearing and an O turns into a Q and the the + sign appears in a shield
Q+ Trump.
Video link:
https://twitter.com/realDonaldTrump/status/1239394598667071488
You must stop video and manually move the slider until you see it happen. Once you find see where it occurs you can find it every time.