anchor.diff:        can_opine = permit 'publish opinion', @proposal
   
   
  -    console.log can_opine
       DIV 
         className:'opinion_region'
         style: 
  
positive.code:     your_opinion = fetch proposal.your_opinion
      current_user = fetch('/current_user')
      subdomain = fetch '/subdomain'
  
      # Update global references:
      #  - The current_proposal for this page
  
negative.code:         slider.has_moved = true
        save(slider)
  
      page = @root.proposal_mode
      sticky = fetch('decisionboard').sticky
      stance = slider.stance
  