anchor.diff:        function drawVisualization() {
           intervalCandidatePosnTweetCounts = [];
           candidateNames = [];
  -        candidateAvatars = [];
           isoStartDates = [];
           gEndDate = "<%= @isoFinalEndDate %>";
           gNumRows = <%= @intervalInfo.size %>;
  
positive.code:             fullName = "<%= "#{candidate.firstName} #{candidate.lastName}"%>";
              data.addColumn('number', fullName)
              candidateNames.push(fullName);
              candidateAvatars.push("/images/" + lastName + ".jpg");
              colors_for_candidates.push("#<%=candidate.color%>")
              clickColumnToDataColumn[clickCol] = dataCol;
              clickCol += 1
  
negative.code:     <%= stylesheet_link_tag 'candidateBuzz' %>
      <script type="text/javascript" >
        //<![CDATA[
        var intervalCandidatePosnTweetCounts,
            clickColumnToDataColumn,
  	  candidateNames,
  	  gEndDate,
  	  gNumRows,
  	  isoStartDates;
        if (typeof(console) == "undefined") console = {
          log: function(msg) {
            //document.getElementById("console").value = msg;
  