Jen Psaki: What does the always very prepared Kamala Harris do when something unexpected happens?

Jen saki used to be a press secretary for Joe Biden and Cala Harris that Kamala Harris will have studied her policy positions she will have gone through that breathing binder with highlighters and posted notes and all the things she will have her opening closing and messaging lines down path she will have practiced her new attack lines she'll be ready it's who she is we also know that Trump prepars a little differently shall we say will not have practice new attack lines necessarily because he's been using the same ones for years he's probably not reviewing big binders of policy because he isn't exactly a disciplined policy guy but he still will be ready because this debate is important for both of them so given all of that there are a few things that are most interesting to me right now on the eve of this debate big news what is the always very prepared K Harris do when something unexpected happen how does she handle that moment and for Donald Trump can he keep his cool can he avoid attacks that come off as nasty and mean and literally avoid saying nasty and mean things you're a Democrat