<iframe width="580" height="385" src="https://www.youtube.com/embed/mNL38THxz68" frameborder="0" allowfullscreen></iframe> <br>This week's special guest is Ivan Ruby from Concordia University in Montréal, Canada. Ivan is an experienced online teacher, and ... <br><a href="https://www.youtube.com/watch?v=mNL38THxz68">source</a>
