i'm going to turn this over now to our partner tricia neuman who will tell us more about why we're here today. >> thank you, marilyn. it's great to be here. before we get started, i just want to congratulate you, marilyn, and sarah dash, wherever you may be, for taking over the helm of the alliance. we miss ed, but it's great to see you both new co-ceos. so welcome. of course, you have been here for a while. i want to thank all of you for coming here today on behalf of the kaiser family foundation. i'm excited to be here. i think we're going to all learn quite a bit. as we focus on the progress of medicare payment and delivery system reforms. it wasn't long ago people talked about medicare as a static program. but things are changing pretty rapidly in traditional medicare. the long-standing concern that the main problem with medicare is that it only encouraged more and more care has really been changing, and changing at a fairly rapid clip as medicare is instilling more incentives for providers to do more, provide better care, to manage care and even potentially at a lower cost. so i'm