"GREY'S ANATOMY - ""Wishin' and Hopin'"" - The race for the Chief's position is on, as the doctors compete for Richard's affections, a surgical patient endangers the lives of those around her, and Meredith's Alzheimer's-stricken mother, Ellis, experiences a change in her medical condition, on ""Grey's Anatomy,"" THURSDAY, FEBRUARY 1 (9:00-10:01 p.m., ET) on the ABC Television Network. (ABC/MICHAEL DESMOND)ELLEN POMPEO"