3 PM ET: What heat does to the body, NY protestor cases dismissed, Copa America & more

In a win for gun-control groups, the Supreme Court has upheld a federal law that bars guns for domestic abusers. Extreme heat can have extreme consequences for the human body – we'll explain. A New York judge has dismissed trespassing cases against some of those arrested during a pro-Palestinian protest at Columbia University. US home prices have hit an all-time high. Plus, soccer’s Copa America is underway, and could be one key player’s last major international tournament.

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