6 AM ET: Biden's news conference, heatwaves spreading east, toxins in tampons & more

President Joe Biden's much-anticipated news conference didn't seem to sway those in his own party calling on him to step down from running for reelection. The heatwave in parts of the US will be spreading soon, as people in Texas deal with heat and power outages. Former President Donald Trump is pushing for his conviction in the hush money case to be dismissed. Panama has installed barbed wire across several routes through the Darien Gap used by migrants. And, a study has found small amounts of toxins in tampons.

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