transparency, and then paretns want the option to opt out. i think the curriculum is fairly well designed. i know the teachers put a lot of work into it. reporter: this week s skirmish, which california s governor called an organized campaign of hate, is just the latest in a series of violent confrontations during pride month. just days ago, protesters clashed outside an l.a. elementary school where a pride flag was burned. this week, the human rights campaign declared a state of emergency for the lgbtq community, sounding the alarm over the current political climate and culture wars. tragically this has come to our district, but we re really seeing this all over the place. reporter: tonight a month of celebration turning into days of confrontations. miguel almaguer, nbc news, los angeles. coming up, we have a fascinating look at how artificial intelligence is revolutionizing how food gets from the farm t to your tabable. dads . fun. inspspiring. alwaways there f for you. sos