It started as advice to his own two children entering adulthood, it spread to his students at the University of the Free State and now tens of thousands of his followers of Twitter and Facebook wait for Jonathan Jansen's words of wisdom every day. Each day Jansen (@JJ_UFS) writes a Letter to my children - a nugget of advice on life, love and becoming a compassionate, thinking human being. Jansen has become South Africa's moral barometer in a time...