The year 2013 had many defining moments. The Roman Catholic Church ushered in a new pope, the number of Syrian refugees crossed the 2 million mark, and the Philippines endured the thrashing of a super typhoon. Which world event --…

NEW YORK -- Even though Malala Yousafzai, the young education activist who was shot by a member of the Taliban, started out as a blogger for the BBC, she normally doesn't tweet. But Monday afternoon, she typed her first 140-character…