Complex sentence: As is the case with many duopolies between a major network affiliate and a minor network affiliate, KTVD airs KUSA-produced newscasts whenever KUSA cannot do so; for example, KUSA's 5pm newscast airs on KTVD when KUSA airs Football Night in America.
Split into simpler sentences: As is the case with many duopolies between a major network affiliate and a minor network affiliate, KTVD airs KUSA-produced newscasts whenever KUSA cannot do so. For example, KUSA's 5pm newscast airs on KTVD when KUSA airs Football Night in America.