This should be a clear indicator to Conservatives nervous right now about SSM, that Harper's strategy is a sound one. Harper is expressing the view of a majority of Canadians on this issue.
No one is saying that same sex couples should not receive the same rights and privileges as heterosexual couples. The only point of disagreement is over referring to same sex couples as marriage. It was close to a point of view expressed by Paul Martin not just a year ago. Apparently Paul Martin has changed his mind.
Apparently the whole Liberal Party has changed it's mind. Barely five years ago they voted overwhelmingly in favour of the traditional definition of marriage.