2. A few recent scientific papers say that such long-lasting kinks in the jet stream have become more likely because global warming is rapidly melting the sea ice in the Arctic, but many leading scientists are not convinced on that point.
3. In the tweet, Obama quoted Nelson Mandela, "No one is born hating another person because of the color of his skin or his background or his religion..."
5. "There was a large crowd outside, including my teachers and other parents, people looked quite agitated," Sun said of the moment he was rescued.