A notorious Arizona protester turned up outside Charlie Kirk’s memorial service on Sunday in Glendale, ignoring the solemn occasion to stage yet another bizarre spectacle. Sumayyah Dawud, a self-described transgender, Muslim Antifa activist infamous for his solo demonstrations, arrived early at State Farm Stadium with a handful of other protesters, brandishing signs that veered from pro-Palestinian slogans to insults aimed at President Trump, and even one labeling the group the “Satanic Society.” Dawud was previously arrested while protesting at a pro-Hamas encampment at Arizona State University. And made posts in the immediate aftermath of when Charlie Kirk was shot and...