When Ted Koppel, host of ABC's "Nightline" program, announced last year he'd recite the names of 721 fallen soldiers on Memorial Day, a firestorm of controversy erupted. Conservative groups protested, a major television station owner boycotted the show and a fierce debate raged for days about Koppel's motives. Sinclair Broadcasting of Baltimore yanked the program that evening from all of its ABC stations, saying it was a partisan attempt to boost John Kerry's sagging poll numbers, by highlighting the toll of Bush's decision to invade Iraq. It's a whole different ballgame this year,