As MPs prepare to vote on a bill that would, for the first time, pass assisted dying into UK law, what are the arguments on either side? The Guardian’s John Harris speaks to two campaigners: Liz Carr, an actor and disability activist who believes the bill would endanger many marginalised groups, and Mark Mardell, a broadcaster who thinks the legislation doesn’t go far enough.. Help support our independent journalism at theguardian.com/politicspod)