<prompt> Translate the following text to EnglishMwanahabari mmoja wa habari amesema Sandy Berger, mkuu wa baraza la usalama wa taifa, anaweza kuchukua nafasi ya Erskine Bowles kama mkuu wa wafanyakazi wa White House.  <response>: A short item suggests that National Security Council chief Sandy Berger could replace Erskine Bowles as White House chief of staff. 