During Tangentopoli, he ran for the party leadership after the resignation of Bettino Craxi, after Craxi was accused of corruption. However, his candidacy was blown off by his involvement in the 7 million dollar bribe in 1980 and resigned as Minister of Justice.
He exited the political world to deal with his judicial cases. In 1997, after concluding his legal battles, he founded Mondo Operaio (former magazine of the PSI). In the same year he was elected to the European Parliament for the Italian Social Democrats. However in 2000, he left the SDI and joined the Socialist Party New PSI. He became spokesman for the party but was not elected to the Italian Parliament in 2001 and left the party in 2005. In 2005, for second time, he left the political spectrum and became a presenter of a television political program.