code: public function liveChildren($showAll = false, $onlyDeletedFromStage = false) {
  		$staged = parent::liveChildren($showAll, $onlyDeletedFromStage);
  
  		if(!$this->shouldFilter()
  			&& in_array(get_class($this->owner), ClassInfo::subClassesFor("Blog"))
  			&& !Permission::check("VIEW_DRAFT_CONTENT")
  		) {
  			// Filter publish posts
  			$dataQuery = $staged->dataQuery()
  				->innerJoin("BlogPost", '"BlogPost_Live"."ID" = "SiteTree"_"Live"."ID"')
  				->where('"PublishDate" < \'' . Convert::raw2sql(SS_Datetime::now()) . '\'');
  			$staged = $staged->setDataQuery($dataQuery);
  		}
  		return $staged;
  	}
docs: Augments (@link Hierarchy::liveChildren()}
  
  @param $staged DataList
  @param $showAll boolean