we're going to to start with melanie bela who is leading those efforts at care coordination for the dual eligible population. melanie? >> good morning, thank you. ed and others for inviting me to be here today. i was trying to figure out why i was invited and i sort of hit me in the face in an obvious way, dual eligibles are the poster children for high users of technology and high cost. and bruce and diane and others i think will get into the statistics around the prevalence of chronic disease. but the fragmentation between the two programs just as ser baits the use of technology and high costs driving the system. so i want to spend a couple of minutes on that theme of what is actionable and talk about a couple of actionable things that we're trying to do at cms to try to get a handle of the opportunity to improve quality and costs for this population. and the first is all about data. and until we understand better this population, the subsets of the population, what's driving their care needs, what the utilization patterns are, by very discrete subpopulations, we're not going to be as