anchor.diff:          style: 
             height: HISTOGRAM_HEIGHT
             position: 'relative'
  -          cursor: 'pointer'
  +          cursor: if @root.proposal_mode == 'results' then 'pointer'
           for opinion in opinions
             user = opinion.user
             fetch(opinion) # subscribe ...
  
positive.code:         height: HISTOGRAM_HEIGHT + segment_selection_margin
          position: 'relative'
  
        if @local.mousing_over_histogram
          DIV 
            style:
              height: HISTOGRAM_HEIGHT + segment_selection_margin
  
negative.code:     save @local
  
    movingThroughHistogram : (ev) -> 
      return if @root.proposal_mode == 'crafting'
  
      # We can calculate the mouse_opinion_value (the slider value about which we will select opinions)
      # based on the mouse offset within the histogram element.
      h_x = @getDOMNode().getBoundingClientRect().left + window.pageXOffset
  