. >> on capitol hill today marilyn tavenar, the administrator for cms answered tough questions about the affordabl affordable . >> i want to assure you that it can and will be fixed, and we're working around the clock to deliver the shopping experience that you deserve. >> reporter: but new to the hearing, individuals receiving cancellation letters from their insurance providers. >> i would take them back to the free affordable care act days if you were in the market, half the individuals in the market did not stay on their policies, they were kicked off for pre-existing conditions. they saw their premiums go up 20% a year. now, in fact, the issuer has decided to change the plan didn't have to. plans were grandfathered in in 2010. if they didn't make significant changes in cost sharings, they could keep the pan. >> reporter: the healthcare debut was riddled with problems. they were told they would be able to even their insurance if they liked their plan. >> the affordable care act is built on the premise that it is a privilege, not a right. >> reporter: now many may lose their insura