title: Named scope in Sunspot search in rails 3
body: <p>i am using the Sunspot search from multiple models which are tagged under a name.</p>
  
  <pre><code>Sunspot.search(Article,Blogpost) do with :tag_ids, params[:id] end
  </code></pre>
  
  <p>How to apply named_scoped like recent ,popularity which are common for all of the 2 models inthe Sunspot search in rails3</p>