It was the Twitter goofball, Fred Guttenberg, who can't admit that Zerobama got his daughter killed at Parkland, and instead blames it on President Trump.
PeriodPelosi had invited him to sit in the Speaker's box at the SOTU.
Maybe it was Fred's time of the month, too...
Parkland father Fred Guttenberg apologizes.
https://www.fox5ny.com/news/parkland-father-apologizes-for-disrupting-state-of-the-union