<prompt> Translate the following text to EnglishWengine wangekuwa na vyombo vya habari vikubwa vimejenga Mstari wa Tano ndani ya kuta zao, lakini kutazama tumbo kwa moja kwa moja haivutii, kama vile Times-Mirror flagship Los Angeles Times ilijifunza baada ya kuchapisha uchunguzi wa maneno 30,000 juu ya kashfa ya Staples Center.  <response>: Some would have big media erect Fifth Columns within their walls, but navel-gazing doesnt automatically impress, as the Times-Mirror flagship Los Angeles Times learned after publishing a 30,000-word self-examination on the Staples Center scandal. 