ms. hewson and also mr. bloom. in medicare we've always maintained the principle that enrollment in managed care plans is voluntary for all medicare men beneficiaries. so let me start with ms.hewson. as i understand it, your plan is voluntary for medicare beneficiaries. is that correct, and how does that impact the program, that it is voluntary? >> well, it is correct. i think by being voluntary there's probably less enrollment than if it was an opt-out program. but typically, they're enrolling because they want to have assured access to a primary care physician that they go to, and that physician is encouraging them so that they can use the resources of the network that supports the physician in leading their care. >> and then similarly, mr. bloom, i know that the pace association has long believed that it's important to have beneficiaries buy in through voluntary enrollment rather than requiring dual eligibles into pace. did you want to comment on that too? >> yeah. pace, dually eligible beneficiaries have the op