congress. and former u.s. attorney general alberto gonzales is here. he llw weigh in on holder. president obama s health care law, the supreme court could keep parts of it or strike it altogether. is the individual mandate constitutional? if it is found unconstitutional, does the whole law have to go? or can the mandate be instruct down? and is medicaid expansion constitutional? and will the tax law prevent the court from addressing the mandate issue right now? a chief correspondent, dr. sanjay gupta, also a practicing neurosurgeon, joining me here in new york. s sanjay, what happens if those benefits from the health care, could the insurance companies drop them? they could. that s why it s such a big deal, kyra. we ve been doing investigating on this, we talked to several big insurance companies around the country. some say, listen, in spite of what may happen with the ruling tomorrow, we still will keep things the way they are. some insurance providers may choose to n