I don't know how I managed to wipe out the ability to select text in this map, but I have. Try clicking a country, then highlighting the "Policies and Interventions" text. Line 130 in d3_map.js seems to be the culprit. Gold star to anyone who can help get to the bottom of this.

<!DOCTYPE html>

</head>

<h1>POLICIES AND INTERVENTIONS</h1>

<link rel="stylesheet" href="d3_map.css" type="text/css" media="screen" title="no title" charset="utf-8">
            <link rel="stylesheet" href="https://yui.yahooapis.com/pure/0.6.0/buttons-min.css" media="screen" title="no title" charset="utf-8">

<div class="map-container clearfix">
              <div class="map-header">
                <h3 data-file-url="data.json" data-map="23" class="map-title">Policies and Interventions</h3>
                <h3 class="menu">
                </h3>

</div>
              <div class="map-main">

<div id="container" data-map-centre="53.0,10.0" data-map-scale="300"></div>

<div class="map-key">
                  <div class="lhs">
                    <div class="title">
                      Key
                      <span class="subtitle">Click countries to see details</span>
                    </div>
                    <div class="ranges">

</div>
                    <div class="range-labels">
                      <div class="range-label first" style="width: 120px; margin-right: 10px;">Data not available
                      </div>
                      <div class="range-label" style="width: 120px; margin-right: 10px;">Data available</div>
                    </div>
                  </div>
                </div>

</div>
                </div>
              </div>
            </div>

<script type="text/javascript" src="https://underscorejs.org/underscore-min.js"></script>

</div>
        </div>

</div>
    </div>

</div>
</body>

</html>

Modified http://underscorejs.org/underscore-min.js to a secure url

Modified http://d3js.org/topojson.v1.min.js to a secure url

Modified http://d3js.org/d3.geo.projection.v0.min.js to a secure url

https://underscorejs.org/underscore-min.js

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js

https://d3js.org/topojson.v1.min.js

https://d3js.org/d3.geo.projection.v0.min.js

https://cdnjs.cloudflare.com/ajax/libs/queue-async/1.0.7/queue.min.js