<prompt> Translate the following text to EnglishHata katika mazingira mapya na yenye kuogopesha ya ulimwengu baada ya Septemba 11, alama za kawaida za Katiba na Sheria ya Haki zinaweza - kwa kweli, lazima - kutuongoza.  <response>: Even within the new and frightening landscape of the post-Sept. 11 world, the familiar landmarks of the Constitution and the Bill of Rights can -- indeed, must -guide us. 