Complex sentence: In 1979, Michael Corleone, nearing 60-years-old, has semi-retired from the Mafia, leaving the Corleone family's criminal interests under enforcer Joey Zasa's control.
Split into simpler sentences: In 1979, Michael Corleone is nearing 60-years-old. He has semi-retired from the Mafia, leaving the Corleone family's criminal interests under enforcer Joey Zasa's control.