2. If you cannot reliably work with HTML in your articles, then you or your website team should instead add a single <script> to your main website template. In your template, find the end of the page, the closing </body> tag, and add the following code before it.
<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);j s.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}} (document,"script","twitter-wjs");</script>
That will include the initialization code for embedded Tweets separate of your CMS content editor, and you will be able to use embedded Tweets in any page of your site without further modification.