TV / Video CBS Dominates Tuesday Overnights; Fox Poised for Victory Among Adults 18-49 By Marc Berman|October 1, 2008Share By Marc Berman|October 1, 2008Share THE PROGRAMMING INSIDER Wednesday, October 1, 2008 Prime-Time Metered Market Tuesday Ratings: Solid Victory for CBS; Fox Poised for Dominance Among Adults 18-49 Ratings Box: What