There have been a few constants for Duke this season. One is winning, as the No. 1 Blue Devils are 11-0. Another is Mason Plumlee, who has been Duke’s go-to guy night in and night out. And, not to be forgotten, the nightly questions about team chemistry. After every game—every single one—there are at least two questions about Duke’s chemistry. Thursday night after Elon was no exception. When head coach Mike Krzyzewski was asked when the last time Duke had this good of chemistry this early in the year, he paused.