Book excerpt: From his unique vantage point as a senior journalist with TIME magazine, David Aikman witnessed some of the most important world events and interviewed many of the prominent global power figures of his time. Aikman profiles six of these figures who embody specific virtues sorley needed today:Billy Graham (salvation),Nelson Mandela (forgiveness) ,Aleksandr Solzhenitsyn (truth), Mother Treasa (compassion), Pope John Paul ll (human dignity), and Elie Wiesel (remembrance).