The Arkangel device permits parents to filter and monitor the experiences of their children, to the point that they neither see nor hear anything that might cause emotional distress. But who is being protected? Whose interests does this device really serve: vulnerable children, or anxious parents? In this wide-ranging conversation, two philosopher-dads discuss the difficulties of parenting -- some of them perennial, others particular to a society so preoccupied with safety that it threatens to inhibit children's growth