Complex sentence: The UCC later won a lawsuit that resulted in the federal court decision that the broadcast air waves are public, not private, property, a decision leading toward the proliferation of people of color in television studios and newsrooms.
Split into simpler sentences: The UCC later won a lawsuit that resulted in a federal court decision that the broadcast air waves are public, not private, property. That led toward the proliferation of people of color in television studios and newsrooms.