He represented the electoral district of Kings South in the Nova Scotia House of Assembly from 1999 to 2009 as a member of the Progressive Conservatives.
Morse first attempted to enter provincial politics in 1998, running as the Progressive Conservative candidate in Kings South.
[2] In the 1999 election, Morse was again nominated as the Progressive Conservative candidate in the riding,[3] this time defeating Harrison.
[6] On January 18, 2001, Morse was appointed to the Executive Council of Nova Scotia as Minister of Environment and Labour.
[13][14] On October 27, 2010, Morse announced that was he was seeking the Conservative Party of Canada nomination in the riding of Kings—Hants for the 2011 federal election.