Crossword clues for Letterman's rival 4 lettersAnswerClueLENOLetterman rivalLENOLate night Letterman rivalLENOLongtime Letterman rivalLENOLetterman's rivalLENOLetterman's friendly rivalJAYLENODavid Letterman rival, for a long timeJAYLENODavid Letterman rivalJAYWith 28-Across, David Letterman's rivalJAYLENODavid Letterman's rival