Hamas has a new leader, Yahya Sinwar, who is said to be one of the main planners of the Oct. 7 attack on Israel. Also, US Ambassador Rahm Emmanuel will skip the ceremony in Japan this week that remembers the US atomic bombings of Hiroshima and Nagasaki, because of a decision by Tokyo to exclude Israel. And, China agrees to crack down on some precursor chemicals used by cartels to make fentanyl. Plus, young musicians from South America, Africa, Europe and the Middle East convene at New York City's Carnegie Hall for World Orchestra Week.

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