Thinking about the Arkansas issues and then reflecting on Penn State and other coaches and schools made me wonder:

What attributes / characteristics make for a great coach?

I would love some feedback from the Husker Nation what they think makes for a GREAT coach. Thinking about this not in the context a particular coach but instead, in general, what makes for a great coach. Is it knowledge of game--ability to think well on both sides of the ball? What about communication skills - players, media, fans, etc.? What about values and how you keep them in proper perspective? Other attributes and characteristics?