With senior Liberals Simon Birmingham and Julian Leeser announcing they will not campaign against the Indigenous voice to parliament, the pressure on opposition leader Peter Dutton continues. In light of these fractures, what do these party politics mean for the shape of the no campaign, and how does this impact the way forward for a successful yes vote?Jane Lee talks to editor-in-chief Lenore Taylor and Indigenous affairs editor Lorena Allam about the divisions that could shape the road to the referendum