I you like thinking try some of the last Massey Lectures. Strangely I like the ones by Margaret...
Listen to Margaret Atwood's 2008 Massey Lecture, Pay Back: Debit and the Shadow Side of Wealth
The Ethical Imgination, Margaret Somerville's 2006 CBC Massey Lectures
Beyond Fate, Margaret Visser's 2002 CBC Massey Lectures