-if (defined?(post.model) && post.model.is_a?(Reshare)) || post.instance_of?(Reshare)
  = render 'shared/stream_element', :post => post.root, :commenting_disabled => commenting_disabled, :reshare => post
- else
  = render 'shared/stream_element', :post => post, :commenting_disabled => commenting_disabled, :reshare => nil