old_contents: from django.contrib import admin
  from news.models import NewsItem
  
  
  class NewsItemAdmin(admin.ModelAdmin):
      list_display = ('title', 'published')
  
  admin.site.register(NewsItem, NewsItemAdmin)
  
new_contents: from django.contrib import admin
  from news.models import NewsItem
  
  
  class NewsItemAdmin(admin.ModelAdmin):
      list_display = ('title', 'published')
      filter_horizontal = ('referenced_podcasts', 'referenced_episodes')
  
  admin.site.register(NewsItem, NewsItemAdmin)
  
subject: Make it easier to reference podcasts and episodes in news items in the admin panel