GREY'S ANATOMY - "Sympathy for the Devil" - Meredith meets Derek's mother, Carolyn, and confesses that she's not the kind of girl moms usually like, on "Grey's Anatomy," THURSDAY, JANUARY 15 (9:00-10:01 p.m., ET) on the ABC Television Network. (ABC/RANDY HOLMES) ELLEN POMPEO, TYNE DALY