<prompt> Translate the following text to EnglishKwa muda mrefu nimekuwa nikijiuliza kwa nini rais, ambaye wakati mmoja aliahidi kutuambia ukweli wote kuhusu kesi ya Lewinsky, amekuwa kimya wakati wafanyakazi wake wanafanya kazi kwa kiwango cha chini zaidi katika kuchochea sehemu kubwa ya umma kwa mbinu za kuzuia.  <response>: For a long time Ive wondered why the president, who once promised to tell us the whole truth about laffaire Lewinsky , is so silent while his staff is active at the meanest level in riling a sizable portion of the public with stonewalling tactics. 