David Yelland and Simon Lewis discuss the aggressive PR strategy that was part of the Post Office scandal. When does defending your brand become toxic PR? They also look at Boeing’s reputational crisis following the Alaska Airlines blowout and why trust is central to public relations. And the King’s new biography – the Palace is being more open, which is a good PR move, but are there risks attached? Producer: Eve Streeter Editor: Sarah Teasdale Executive Producer: William Miller Researcher: Sophie Smith Music by Eclectic Sounds A Raconteur production for BBC Radio 4