Duke had a working margin for almost the entirety of the second half. So pretty much the entire second half (in addition to most of the first).
We have 20+ years of history in Cameron, and every meaningful road game this season, from which to determine that we weren't winning that game if it was even remotely close. We needed to be up by 10+ for the majority of the game to even have a shot to hang on at the end like a cat on a screen door. If you look at that chart, combined with said history, and think that we were going to win, then I don't know what to tell you. The outcome of that game was never in doubt.