You Really Need to Educate Yourself (About AR-15s/Ammo) That's what he was told: "You really need to educate yourself". That comment was directed at Brett Cross. Who is Brett Cross? Well, Brett's son, Uziyah (Uzi), was one of the children murdered at Robb Elementary School in Uvalde, Texas. Brett Cross on Twitter According to ChadHud39666678 (Twitter handle), Brett apparently needs to educate himself on the nuances of AR-15 style weaponry. It doesn't seem to matter to Chad what Brett Cross believes regarding his son's death because, according to Chad, Brett apparently doesn't know anything about what killed his son, Uzi, in the Robb Elementary School massacre. It only matters that Brett doesn't understand, according to Chad, that AR-15s can chamber a number of different caliber bullets. Therefore, according to Chad, Brett can't be involved in a discussion or debate about the weapon of choice for so many mass shootings here of late. Why? Beca...