- Frida Ghitis: Rupert Murdoch tweet: Muslims must be accountable for jihadist 'cancer'
- J.K. Rowling, Aziz Ansari tweet: Are all Christians accountable for evil done by some?
- Ghitis: Both extremes wrong. All Muslims not guilty, but must play role in fighting jihadists
(CNN)Rupert Murdoch threw a grenade. J.K. Rowling caught it in midair and lobbed it back. The explosion -- in the battlefield of social media -- injured the truth.