Conversation so far:
When did John Mortimer start his legal career?
John Mortimer was called to the Bar (Inner Temple) in 1948.
What firm did John Mortimer work for?
John Mortimer was called to the Bar (Inner Temple).
What type of law did John Mortimer practice?
John Mortimer's early career consisted of testamentary and divorce work.
Did John Mortimer's legal work change later in his career?
On taking silk in 1966, John Mortimer began to undertake work in criminal law.
What does taking silk mean?
Appointment as Queen's Counsel is known informally as taking silk.
Did John Mortimer work on any major cases?
John Mortimer did represent publishers John Calder and Marion Boyars.
When was the Calder and Boyars case that John Mortimer represented?
John Mortimer did represent publishers John Calder and Marion Boyars in their 1968 appeal.
Did John Mortimer win the Calder and Boyars case?
John Mortimer did successfully represent publishers John Calder and Marion Boyars.
What was the John Calder and Marion Boyars case about?
John Mortimer did successfully represent publishers John Calder and Marion Boyars in their 1968 appeal against their conviction for publishing Hubert Selby Jr.'s Last Exit to Brooklyn.
What other cases did John Mortimer work on?
John Mortimer's defence of Virgin Records for their use of the word bollocks in the title of the Sex Pistols album led to the defendants' being found not guilty.

Question: Why was using bollocks a big deal?
Self-contained rewrite: Why was Virgin Records using bollocks in an album title a big deal?