Edie Falco has performed the near impossible: She has made a clean break with the show that made her a star yet could have pegged her for a lifetime as mobster wife Carmela Soprano. In the title role of “Nurse Jackie,” Falco has ably recast herself as a guardian angel with a cranky attitude, a bad back and a penchant for cheating on her husband with the guy who supplies her with pain pills.

Now, that was Carmela who?