app/views/admin/calendars/_national_calendars.html.erb
<table class="table table-condensed national-calendars">
<thead>
<tr>
<th>Name</th>
<th>Dependent Calendars</th>
<th></th>
</tr>
</thead>
<tbody>
<% calendars.each do |calendar| %>
<tr>
<td><%= calendar.title %></td>
<td><%= calendar.calendars.count %></td>
<td><div class='btn-group'><%= link_to 'Show', calendar, class: 'btn btn-info' if can?(:read, calendar) %></div></td>
</tr>
<% end %>
</tbody>
</table>