Tunku Varadarajan, the Indian-born, US-based writer-educator, has been named the new editor of Newsweek international, becoming the second journalist of Indian origin after Fareed Zakaria to hold the reins at the American magazine. Tunku broke the news through a tweet on Wednesday: “My news: Looks like I’ll be editing Newsweek International”. Born Patanjali Varadarajan, 48-year-old…