You know you're a redneck when... you're tapped to host Fox's Are You Smarter Than a Fifth Grader? quiz show. Jeff Foxworthy begins the gig Feb. 27.... Kevin Costner and his wife of two years, Christine, are expecting their first child together, his rep tells the AP. Costner has three kids from a previous marriage.... CHiPs: The Complete First Season arrives on DVD June 5.... Effective immediately, Disney's Touchstone Television brand will be known as ABC Television Studio.