XXXXX DRUDGE REPORT XXXXX MON APRIL 21, 2003 09:03:36 ET XXXXX SARANDON MOVIE ON CBS FINISHES LAST PLACE IN OVERNIGHTS Outspoken anti-war activist Susan Sarandon hit severe ratings turbulence on CBS Sunday night with her original telefilm ICE BOUND -- landing last in overnight ratings and losing nearly 40% of audience levels from the previous Sunday on CBS. ICE pulled a frosty 5.5 rating/9 share in NIELSEN's 55 overnight markets. But it was in New York City where Sarandon hit complete bottom. At 9 PM in Gotham, Sarandon trailed even the WB network's BLACK SASH [3.5/5], with a 3.4 rating/5...