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He said he knew the answer , but he did n't know whom to tell . On the other hand , we do n't know whom or what we can trust . I do n't know whom I have to thank for this new , sanguine attitude , and it 's amusing to think it may be , in part , my minister father 's Lutheran God . The reason is simple : The beneficiaries know for whom to cast their ballots , and the victims do n't know whom to blame for their calamity .