This month, the Democratic National Convention will be held in Chicago. It will attempt to supercharge the momentum that Kamala Harris is enjoying. One of the big questions hanging over the campaign is who will be Harris’s vice president pick? One of the frontrunners for the spot is Pennsylvania governor Josh Shapiro. However, some in the progressive wing of the Democrat party are very unhappy with this prospect. On paper, Gov. Shapiro looks like a prime candidate to pick for the VP slot. So what is happening in the party to cause a rift?