Feb. 14, 2004. 01:00 AM Conan the obnoxious In an editorial yesterday, we praised U.S. talk-show host Conan O'Brien for bringing his program here and featuring lots of Canadian talent. Well, we spoke far too soon. The editorial went to press before Thursday's episode was broadcast. Had we known the mean-spirited content of that instalment of NBC's Late Night With Conan O'Brien, we never would have invited him to return anytime. The program featured a nasty segment taped in Quebec city in which the show's obnoxious canine hand puppet stopped unsuspecting residents in the street and crudely insulted them for...