On today's CNN 10, we've got the need to know headlines from our biggest health, international and economic stories on deck for you. We'll also meet a CNN Hero who is changing the lives of refugees through music. And a gold medal track and field star tells us who she was most excited to reunite with once the Olympics were over. We finish off finding out why a bunch of driverless cars are keeping neighbors up all night - that's all on today's CNN 10!
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