Harri was a regular presenter on BBC television and radio programmes such as "The World at One", "Westminster Live", "Straight Talk", "Despatch Box" and "The World This Weekend". He covered the collapse of Communism in Romania, Czechoslovakia and East Germany before reporting on the Gulf War from Saudi Arabia, Jordan and northern Iraq. He became the BBC's Chief Political Correspondent in November 2002 and also presented the channel's weekly interview programme, "One To One". He moved briefly to Rome from July 2004 to January 2005 and then became North America business correspondent based in New York City until June 2007.