Complex sentence: CBS expanded into TV and early through Paley's strong, some would say ruthless, maneuvering rode the post-World War II boom in that medium to surpass NBC, which had dominated radio.
Split into simpler sentences: CBS expanded into TV early through Paley's strong, some would say ruthless, maneuvering. He rode the post-World War II boom in that medium to surpass NBC, which had dominated radio.