You don't say what kind of management, but if its general people/organisation management then <a href="https://workplace.stackexchange.com/questions/tagged/management" rel="nofollow">https://workplace.stackexchange.com/questions/tagged/managem...</a> might be useful. Not sure it qualifies as "juicy" though...
If someone wants to create this I would super gladly join.<p>Specially if it has a section like Ask HN.<p>I really love Ask HN as it gives me a peak into real life questions or struggles. It makes this corner of the internet very human.