 sort_options = [
 
   { 
+    key: 'total_score'
     name: 'Total Score'
     description: "Each proposal is scored by the sum of all opinions, where each opinion expresses a score on a spectrum from -1 to 1. "    
     order: (proposals) -> 

  }, 

  { 
    name: 'Average Score'
    description: "each proposal is scored by the average opinion, where each opinion expresses a score on a spectrum from -1 to 1. "
    order: (proposals) -> 

      if def_sort = customization('default_proposal_sort_order')
        def = null 
        for s in sort_options
          if s.key == def_sort || s.name == def_sort
            def = s
            break 
        _.extend sort, def or sort_options[1]
