"I believe that, because there is such a huge shortage of physicians in rural areas, students receiving federal assistance should do their part by practicing in these areas for a certain amount of time. I understand that this may seem unfair; however, there could be exceptions for certain rarer specialties or medical students with exceptional grades, for example."

You do not know the interview panel's views on this topic, so you want to tread lightly to avoid offending anyone. However, you are entitled to your opinion. Give your honest opinion without steering too heavily one way or the other.