Original sentence: Although his participation in recording was never proved, he announced to leave politics.Edgar Savisaar (born May 31, 1950), is an Estonian politician who served as the Prime Minister of Estonia from 1990-1992.From 2001 to October 14, 2004, he was [Lord Mayor]] of Tallinn.He is currently Minister of Economic Affairs and Communications designate.However, already in 1996, he participated in the elections of 'Riigikogu'' and became the Chairman of Tallinn City Council.In 1973, he graduated from the university with a diploma in history.On 11 April 2005, he became Minister of Economic Affairs and Communications designate in the new coalition of Prime Minister Andrus Ansip.Savisaar is one of the most controversial politicians in Estonia
Edited sentence: Although his participation in recording was never proved, he promised to leave politics.Edgar Savisaar (born May 31, 1950), is an Estonian politician and economist who served as the Prime Minister of Estonia from 1990-1992.He is one of the most controversial politicians in Estonia.However, he broke his promises already in 1996 by participating in the elections of Riigikogu and becoming the Chairman of Tallinn City Council.In 1973 he graduated from the university with a diploma in history.Since that time he has been more successful in local politics, serving as the Mayor of Tallinn from 2001 to October 14, 2004