Some cases of child/parent estrangement stem from a traumatic childhood. But in others it can come as a shock to parents who believe they did their best. People on both sides of family rifts share their stories with Gaby Hinsliff Because of industrial action taking place by members of the National Union of Journalists at the Guardian and Observer this week, you may notice some disruption to the availability of new episodes in your Guardian podcast feeds. All the work on this episode was done before the strike action began. For more information please head to theguardian.com.