Jay Leno (below, left) and Rush Limbaugh? Columbia hopes ``The Newz,'' its upcoming late-night entry, capitalizes on the growing interest in the daypart. The legacy of Dave ( and Ted and Johnny) Late-night TV has turned into a programming nightmare for ma 06.13.94 @ 01:00 AM ET AD-DIRECTED CHANNELS A REALITY PROGRAM AROUND `PASSIONS THAT PEOPLE HAVE FOR VARIOUS ACTIVITIES' 04.11.94 @ 01:00 AM ET