Is Poilievre's shrinking caucus threatening his leadership?

Two Conservative MPs defected to the Liberals and a third announced his resignation in the months leading up to Pierre Poilievre's leadership review in January. Ontario Conservative MP Adam Chambers tells Power & Politics that 'many people' still support Poilievre after the second floor-crossing. But interim NDP Leader Don Davies tells host David Cochrane that 'if I were Mr. Poilievre, I'd be deeply concerned.'