I think some of you can't see the forest for the trees. Forcing people to eat something is not actually the issue at all. We don't even know if she eventually answered that question because we weren't provided with the full video.
I think he was asking that question in an attempt to corner her on the healthcare bill. The analogy is flawed though because the bill doesn't force you to buy insurance. If you buy or are provided with insurance you are exempt from the tax.
"The individual mandate, which amends the Internal Revenue Code, is not actually a mandate at all. It is a tax. It gives people a choice: they can buy health insurance or they can pay a tax roughly equal to the cost of health insurance, which is used to subsidize the government’s health care program and families who wish to purchase health insurance." -- Jack M. Balkin, Knight Professor of Constitutional Law and the First Amendment at Yale Law School.
"People are exempt from the tax if they get health insurance through their employer or through Medicare, are poor, are dependents, are in the military, live overseas, or have a religious objection."