meredith shiner, robert draper, thank you both. >> ifill: and speaking of that battle over obamacare, it was the subject of a rare public conversation between president obama and former president clinton. they sat down together today at the clinton global initiative. >> part of what i think the resistance that we've seen ramp up, particularly over the last couple of months is all about is the opponents of health care reform know they're going to sign up. in fact, one of the major opponents, when asked "well why is it that you'd potentially shut down the government at this point just to block obamacare?" he basically 'fessed up. he said "well, once consumers get hooked on having health insurance and subsidies then they won't want to give it up." (laughter) i mean, that's -- you can look at the transcript this is one of the major opponents of health care reform. it is an odd logic. essentially they're saying "people will like this thing too much and then it will be really hard to roll back." >> ifill: beyond the politics, both presidents spoke at length today about one key aspect of the