In our culture of 24/7 news and trending social media reactions, it sometimes takes a novelist\u2019s eye to chart the deeper, current events swirling beneath society\u2019s surface. Lionel Shriver is a British-based American writer whose fiction has addressed school shootings, obesity, economic crisis and in her latest book, voluntary euthanasia. She\u2019s a contrarian, but is she also a combatant in the western world\u2019s culture wars?