How Considering Erin O'Toole As PM, Changes The Campaign Narrative 39:17

The Insiders gather to talk about what's happening in the war rooms as we head into week three.  How does the fact people are considering Erin O'Toole as a prime minister impact the way the different parties run their campaigns? Also up for discussion:  how does momentum affect a campaign, and, what are the underlying factors than can impact the final vote.