<div class="container" id="question-grid">
[[pdoResources?
&parents=``
&limit=`0`
&depth=`0`
&tpl=`tpl.ContentChannelCategory`
&processTVs=`1`
&tvPrefix=``
]]
</div>
<div class="masonry-item channel">
<h6><a href="[[~[[+id]]]]">[[+pagetitle]]</a></h6>
<img src="//placehold.it/333x162&text=image" alt="[[+pagetitle]]">
[[pdoResources?
&parents=`[[*id]]` <-- obviously not right, but would would be?
&limit=`0`
&depth=`0`
&tpl=`tpl.ContentChannelArticles`
]]
<hr>
</div><div class="article">
<p class="article-title">[[+pagetitle]]</p>
<p class="article-blurb">[[+introtext]]<a href="[[~[[+id]]]]">Continue reading <i class="fa fa-angle-right"></i></a></p>
</div>This question has been answered by mayhemchaos. See the first response.
<div class="masonry-item channel">
<h6><a href="[[~[[+id]]]]">[[+pagetitle]]</a></h6>
<img src="//placehold.it/333x162&text=image" alt="[[+pagetitle]]">
[[pdoResources?
&parents=`[[+id]]` <-- this allowed me to pull in the collection's children
&limit=`0`
&depth=`0`
&tpl=`tpl.ContentChannelArticles`
]]
<hr>
</div>