Cynthia Littleton Business EditorEllen DeGeneres told her virtual studio audience that she has long planned to wrap her talk show after completing 19 seasons.In “The Ellen DeGeneres Show” episode set to air Thursday, the host in her opening remarks acknowledges the news that broke today of her decision to call it a wrap after the 2021-22 season. She began her Emmy-winning run in daytime in 2003.“Two years ago I signed a three-year deal.