his shoes aren't so much BIG anymore these days as they are... well... just real F'ing OLD. I believe enough time has passed since his heyday that someone is going to be okay following him. I'm guessing people up there would welcome a young, energetic, proven winner (with a Penn State alumnus father) with open arms.
That is, whenever grandfather time finally cashes it in on the practice field one day. I'm not being crude, I really think that's how he'd prefer it. Personally, I hope the guy lives (and coaches) another 20 years.