Today on CNN 10, we watch the moment white smoke appears over the Sistine Chapel in the Vatican, signaling the election of a new Pope. Then we find out what one of the richest men in the world plans to do with over $100 billion in the next 20 years. We'll also check out one tennis star's comeback after their first title win in three years, before meeting the newest baby penguin at a New York aquarium. All this and more on today's CNN 10!

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