My favorite show on Broadway right now is “Hamilton:  The Musical”, which my cousin happens to be in.  Not that her presence sways me, I’d be madly in love with the show anyway.  So I am very much on the alert for articles about it.  Here’s an article that speaks to something directors ought to be concerned with:

http://www.hesherman.com/2015/12/03/what-does-hamilton-tell-us-about-race-in-casting/