<prompt> Translate the following text to EnglishSheria ambazo tumekuwa nazo daima ni kwamba siasa zinasimama pwani, afisa mmoja wa juu wa Ikulu ya White House alisema, akizungumza kwa hali ya kutotajwa jina lake.  <response>: The rules weve always had is that politics stop at the shore, one senior White House official said, speaking on the condition of anonymity. 