i'm going to west portal next week with sfmta john tumlin to talk through some of the changes that we're making on the streets. but those changes while important will not take back what happened. to every one who has shoulder and born the grief of the family over the last two weeks, or the injuries or deaths of other loved one over the years, we see you and we thank you for your work and your advocacy. this is a moment that we never want to live through again. not just a family loss but two lives of young people, unimaginable. i've seen loss in my own life devastating loss and it never gets easy. it is lessons from horrific events such of these that must to the way we move forward as a city. the way that we move forward in a courageous way to make significant change. but that's also why we do the work. we do the work to make a difference, we do the work because we want to save lives and we want to make san francisco a better place. that's one of the hard parts about the efforts with vision zero. it's rare to recognize the work that you have done to safe lives and it has. we've done a wil