With just under four weeks left in the federal election campaign, Nanos Research ballot numbers have the Liberals leading in every region except the Prairies, where the Conservatives continue to dominate.

Pollster Nik Nanos and host Michael Stittle get into what regions are driving the Liberal surge -- at the expense of not just the Conservatives, but the NDP and the Greens.They also discuss what Canadians feel about Poilievre's refusal to get security clearance -- an issue that has continued to dog him during the campaign.

HOST: Michael Stittle
GUEST: Nik Nanos
PRODUCER: Phil Hahn
EDITOR: Mike Campoli