After a huge prisoner swap with Russia, three Americans are back in the US and have been speaking to reporters. Vice President Kamala Harris' campaign says they raised $310 million in July alone. Florida is preparing as a tropical storm is expected to develop in the Atlantic this weekend. There's outrage after two Al Jazeera journalists were killed in Gaza this week. Plus, we'll tell you how your medication could be making you feel the heat more.
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CNN 5 Things