Roger, if Susan asks you questions publicly, she presumably is looking for the answers in the same manner (unless you are in possession of facts that you do not wish to divulge in an open forum). If that is the case, simply say so. But to respond "If you insist on continuing to address me publicly - I will certainly have no interest in providing the answers to you in any form" is a little... how can I say it... unorthodox? peevish? bullying? I don't know, you call it what you like.

Please bear also in mind that in a debate, volume of statements is not what wins it, but quality. So repetitions and copy-pastes generally prove little and are just as likely to detract from your argument, because they irritate.