PRIVATE PRACTICE - "Life Support" - In an episode told from Cooper's point of view, we follow him from the moment of conception through a nasty fight with Charlotte, which inadvertently threatens the lives of their triplets. Meanwhile, Violet comforts a friend who is being advised to take her partner off life-support, on "Private Practice," TUESDAY, DECEMBER 4 (10:00-11:00 p.m., ET) on the ABC Television Network. (ABC/DANNY FELD) PAUL ADELSTEIN, KADEE STRICKLAND