to welcome you to the 2019 conference driven by data. [ applause ] before we get started, i would just like to take a moment to recognize the if you are a vete stand for a moment. [ applause ] thank you all for your service, past and present, to this country and to your fellow veterans. we are honored to work alongside you. and that s exactly what we re going to be doing over the next few days. we re going to be working together. not in the typical way that we work. not the day to day work. not the normal sense. but over the next three days, you re going to have the opportunity to pause and take a step back from the day to day grind, the day to day challenges, all of those things that we struggle with, every single day, and really think about what we are doing. and why we re doing it. we re going to think about what we know, and what we don t know. so i m going to pause for a second, those of you who know me, know that formal remarks are not really my specialty. i want to s