Complex sentence: Returning to talk radio in 1998, Sytman helped launch the nationally syndicated "Michael Medved Show", where he was known affectionately as "Darth Sytman"; he served as producer of the show for over seven years.
Split into simpler sentences: Returning to talk radio in 1998, Sytman helped launch the nationally syndicated "Michael Medved Show". He served as producer of the show for over seven years.