{% macro render_blog_post(post, from_index=false) %}
  {% if from_index %}
  <div class="post-preview">
    <div class="row">
      <div class="col-md-4">
          {% set image = post.attachments.images.first() %}
          <h2><a href="{{ post|url }}">{% if image %}<img src="{{ image.thumbnail(240)|url }}" alt=""/>{% else %}<div class="blog-post-placeholder"></div>{% endif %}</a></h2>
      </div>
      <div class="col-md-8">
        {% if from_index %}<a href="{{ post|url }}"><h2 class="post-title">{{ post.title }}</h2></a>
        {% else %}
          <h2 class="post-title">{{ post.title }}</h2>
        {% endif %}
        <p class="post-meta" style="font-size:0.9em;">
          Posted on {{ post.pub_date }} by {% if post.twitter_handle %}<a href="https://twitter.com/{{ post.twitter_handle }}">{{ post.author or post.twitter_handle }}</a>{% else %}{{ post.author }} {% endif %}
        </p>
        <p class="post-subtitle">
          <p>
            {{ post.abstract }}
          </p>
        </p>
      </div>
    </div>
    <hr>
  </div>
  {% else %}
    {{ post.body }}
  {% endif %}
{% endmacro %}