Handsome, glib and arrogant, Miller first gained fame as the "Weekend Update" anchor-person for TV's "Saturday Night Live" (NBC, 1985-91). His comedy stems from his intelligent, if condescending, approach and persona. The Pittsburgh native got his start as a stand-up comic in such clubs as Catch a Rising Star and The Comic Strip in New York, and Los Angeles' The Improv. Returning to Pittsburgh, he wrote, produced and appeared in the local "PM Magazine" show and hosted a Saturday morning show for teens.Miller rocketed to stardom in 1985 after joining the cast of "Saturday Night Live". Anchoring