EntertainmentKyra Sedgwick’s “The Closer” returns to the TNT lineup for its final batch of six original episodes tomorrow night (7/9) – and they’re absolutely must-see viewing for fans of the smart, bitingly funny police procedural.  Sedgwick’s candy-gobbling Deputy Chief Brenda Leigh Johnson is well on her way to her day of reckoning for all those rules she’s been bending, smashing and ignoring through these seven seasons of squeezing, tricking, cajoling and seducing confessions from her criminal quarry. Will Brenda be …