stephanie knapp: thank you, thank you, damian, for having us this evening. damian: it's always great to be here with you. now, we have video of what happened in 2015. this is el grito that you all--we always celebrate. tell us what el grito is all about and how we celebrate it in san francisco. stephanie: so, every year, as you know, we have this celebration, which is very traditional in mexico.