and ed hathelmeyer. and paul howard, senior fellow at manhattan institute, john in pennsylvania. your question? >> i understanding is obamacare law allows subsidies for state exchanges but not federal. only state. but they apply to both? >> right, the law said, state exchanges but it is expected to float bustate and federal, that is being litigated right now in court, for the time, subsidies on both. gerri: federal exchange, state exchange, you get the subsidies, does not matter you still get them either way. for bob in ohio with a question i believe medicare part b . caller: i'm a va, covered vietnam vet, my question is, do i need to take out medicare part a or not? gerri: scott? >> you could continue to be covered through the v.a. system, if you if through medicare system you may face higher out of pocket costs officially. but have you more flexibility in terms of providers you can see. gerri: all right to terry in indiana. his question about future of obamacare. >> yes, good evening. i have been hearing about this law for this time, now a question no one has asked. what happen