Be open and honest. That doesn't mean you have to give away the store, but being friendly, direct and positive makes you more believable. That question, in one form or another, is a staple of all interviews. This is one you can count on being asked. Give them your opinion.
People can find facts and figures most anywhere.
Work in the question as part of your answer. This saves reporters time and effort in the editing session by not having to edit in their question. They'll love you for it and will be likely to use more of you on-camera. The medium determines the message. Newspaper and magazines allow you time to get into detail and fully cover the subject.