With the election campaign nearing the end of its second week, here’s a look at how former party insiders and experts think the campaign is going for different parties, particularly the two frontrunners: the Liberals and Conservatives. The text of the interviews has been edited for clarity and brevity. Joe Oliver: Conservatives Have the Momentum Former Conservative MP and minister of finance The polls have narrowed quite significantly. The Liberals, who were somewhere between a strong minority and maybe in majority territory depending on which poll you look at, are no longer there. They’re still, according to the polls, somewhat ahead, but it’s really fairly narrow. They’re certainly not in majority territory. So clearly the Conservatives have momentum, and the Liberals do not. Different Factors So the question is, why might that be the case? The first point is that election campaigns do matter, and things can change dramatically. When …