From symbol of hope to incarnation of sleaze, lies and greed: This week marks 20 years since Tony Blair became Labour leader

From symbol of hope to incarnation of sleaze, lies and greed: This week marks 20 years since Tony Blair became Labour leader. Now Dominic Sandbrook asks - has any former PM sunk so low?

When Tony Blair became Labour leader on July 21, 1994, his advent was widely seen as the beginning of a bright new era in British politics.