Advertisement AdvertisementAdvertisement Advertisement“We need to stop shrinking into purity tests and pushing people away.” McPherson said. We need to stop dividing our movement.”McPherson is the second candidate to make an NDP leadership bid. “They turn politics into us versus them, workers versus environment, urban versus rural. And then she invoked the spirit of the late Jack Layton, the most successful NDP leader in recent memory, and former Alberta premier Rachel Notley, who was in attendance to support McPherson. Subscribers gain unlimited access to The Edmonton Journal, Edmonton Sun, National Post and 13 other Canadian news sites.