At a time when news has been a dark canvas of conflicts and calamities worldwide, the announcement beamed a bright light through the gloom. News of the Nobel Peace Prize did seem noble in its spirit, and symmetry. An Indian and a Pakistani, a Hindu and a Muslim, a relatively unsung hero and a global star. Nearly half a century separates two activists but their causes are now joined – their fight for children's rights. Even the timing seemed perfectly placed. Seventeen-year-old Malala Yousafzai, who defied Taliban threats to fight for every girl's right to be educated, heard the news in her own field of battle – a school. Her chemistry class in the English city of Birmingham was…