Muir entered provincial politics in the
1998 election, defeating former Liberal cabinet minister
Eleanor Norrie in the Truro-Bible Hill riding. He was re-elected in the
1999 election. In August 1999, Muir was appointed to the
Executive Council of Nova Scotia as Minister of Health. On 19 December 2002, Muir was moved to Attorney General and Minister of Justice. In the
2003 election, Muir was re-elected by over 1500 votes. On 15 August 2003, Muir was moved to Minister of Education in a post-election cabinet shuffle. He retained the education portfolio when
Rodney MacDonald took over as premier in February 2006. Muir was re-elected in
2006. On 26 June 2006, MacDonald shuffled his cabinet, moving Muir to Minister of Service Nova Scotia and Municipal Relations. In October 2007, Muir was given an additional role in cabinet as chair of the Treasury and Policy Board. Muir announced on 29 December 2008, that he would not reoffer in the
next election, and was shuffled out of cabinet on 7 January 2009. He returned to cabinet on 10 March 2009, taking over as Minister of Finance and Minister of Aboriginal Affairs, following the death of
Michael Baker. Muir retired later that year. ==References==