Stephen Harper will not raise the abortion issue if he becomes Prime Minister. This is no surprise, since he has been saying the same thing more or less on repeat for at least five years now.
That said, I’m not sure why social conservatives swing in the national imagination between omniscient and powerful (The Armaggeddon Factor) and “spent.”
Harper is not the pro-life man of the hour. Maybe someday we’ll have a leader with this conviction on his/her heart. But it’s not Harper and I’m not particularly bothered by that.
by 
Nor is Harper the “first among equals” of the hour. After all, that is how the PM in a parliamentary system used to be considered. Now, he is an autocrat, defining well in advance what any government of his (not the people of Canada’s, you note) will and will not do.