anchor.diff:          has_not_been_included = is_results || !_.contains(included_points, pnt.key)
           is_correct_valence && has_not_been_included
       
  -    if selected_segment[0]?
  +    if selected_segment?
         # If there is a histogram segment selected, we'll have to filter down 
         # to the points that users in this segment think are important, and 
         # order them by resonance to those users. I'm doing this quite inefficiently.
         point_inclusions_per_point_for_segment = {} # map of points to including users
         _.each opinions, (opinion) =>
  -        if opinion.stance_segment == selected_segment[0] && opinion.point_inclusions
  +        if opinion.stance_segment == selected_segment && opinion.point_inclusions
             for point in opinion.point_inclusions
               if !(point of point_inclusions_per_point_for_segment)
                 point_inclusions_per_point_for_segment[point] = 1
  
positive.code: 
  fetch 'histogram',
    highlighted_users : null
    selected_segment : [null, null]
  
  fetch 'slider',
    has_moved : false
  
negative.code:     , 
        R.div className:'points_heading_label', 
          if @data('root').page_name == 'results' then "Top #{label}" else "Others' #{label}"
          R.p className:'points_segment_label', style: {visibility: if selected_segment == null then 'hidden' else 'visible'},
            if selected_segment == null then '-' else "for those who #{stance_names[selected_segment]}"          
  
        R.ul null, 
          if points.length > 0
  