He then returned to the Italian Communist Party ( PCI ) as an independent candidate and he was elected to the Italian Senate .
In 1987 , Giolitti left the Italian Socialist Party for disagreements with its leader Bettino Craxi .
Giolitti then returned to the Italian Communist Party ( PCI ) as an independent candidate and Giolitti was elected to the Italian Senate .
In 1987 , Giolitti left the Italian Socialist Party for disagreements with its leader Bettino Craxi .