By Andrew Gould Duke is in danger of getting knocked out of the ACC Tournament, so Mike Krzyzewski is once again in a sour mood. Playing without leading scorer Buddy Boeheim, who is serving a one-game suspension for punching Florida State’s Wyatt Wilkes on Wednesday, Syracuse went into halftime wielding a 40-36 lead. The advantage expanded to seven in the second’s half opening minute. The look on Coach K’s face says it all. Although the Blue Devils jumped out to an early lead, junior Joseph Girard III caught fire to erase the deficit. A quarterfinal loss would be a highly disappointing outcome…