Summary: A blog post suggesting that teachers should work less draws Mark's ire, and he sounds off in another Uncut version of the podcast. Mark says teachers can't be effective in less than 40 hours a week, but the whole 40-hour thing might just be semantics. <br><br>Find more episodes at <a href="http://hacklearningpodcast.com" rel="noopener">http://hacklearningpodcast.com</a><br>Look inside any or all books at <a href="http://hacklearningbooks.com" rel="noopener">http://hacklearningbooks.com</a><br>Tell us what you think on Twitter at #HackLearning
