In the ACC, two new eras

Will Kyrie Irving (left) and Harrison Barnes' arrival on Tobacco Road affect the ACC's power balance? Getty Images

Midnight Madness is this Friday, and as we get ready for the college hoops season ESPN Insider will be looking at key questions for each conference, in concert with the Blue Ribbon previews.

We begin today with the ACC, the conference serving as home to the reigning national champions, the Duke Blue Devils.

Can Duke win big without Jon Scheyer?