"She is very much against the ropes. If she wins North Carolina, she's back in this thing. If she doesn't win, she probably drops out."
We wouldn't recommend holding your breath on that latter prediction.
But the do-or-die nature of the North Carolina vote is attested to by the posting of Clinton operative Ace Smith, "a soft-spoken Californian who headed winning Clinton campaigns in California and Texas," into the Raleigh hub for the duration.
Smith is also described as "the epitome of a take-no-prisoners political operative who has built a reputation as a dogged [digger up of dirt]." As the French say, "Holy shit!"