After a nearly miraculous string of comeback victories, Joe Biden has brought order to the chaos and given Democratic voters what they wanted: an end to the drama.

In a Democratic nominating contest that saw the meteoric rise of Mayor Pete Buttigieg and the dramatic fall of Elizabeth Warren, with a field that initially was so large it required two back-to-back nights to fit all the contenders on the debate stage, it is remarkable that only six weeks after the mayhem of the Iowa caucuses, this race could be all wrapped up.