CBS takes its first Thursday, a slow one Averages a 3.7 in 18-49s, 0.2 ahead of ABC on a night when all but two shows were down from last week. 'Grey's' is No. 1 with a 5.0.   Preparing for life after 'Oprah' wraps up The end of the syndicated show will dramatically alter daytime television, especially for the ABC stations that now carry it   Best tube bets this weekend Friday: Sarah Palin on ABC's '20/20;' Saturday: UConn versus Notre Dame on NBC; Sunday: 'Curb Your Enthusiasm' finale   ABC's 'Middle' climbs without 'Hank' First-year sitcom averages a 2.4 in 18-49s, up 26 percent over its most recent episode after its lagging lead-in is canceled   Palin pushes 'Oprah' to two-year high Former Republican VP candidate's interview averages an 8.7 household rating as she becomes embroiled in controversy over that Newsweek cover   Pondering the ills and promise of NBC The ills are many, essentially its entire primetime. Its promise? In a word, Comcast. Talking with TargetCast's Gary Carr.   These years later, Martha opens up And, yes, Stewart is still angry over her prosecution, she tells ABC's 'Nightline' in a wide-ranging, dish-filled interview   ABC's 'V' takes another ratings spill Averages a 3.1 in 18-49s, off 16 percent from last week and down from a 5.0 for its debut. Locklear gives 'Melrose Place' a lift.   Kick for 'Dancing' heading into finale Penultimate competition episode averages a 3.9 rating in 18-49s on Monday night, up 12 percent as the final four couples compete   A better college football story to tell And better ratings with six undefeated teams. CBS is up 29 percent as ABC Saturday afternoon play is up 12 percent (charts) next >>