Race to rescue, Hunter Biden plea, Trump trial date

Time is running out for the five people onboard the missing OceanGate submarine that was bound for the Titanic wreckage site. The US coast guard says the crew has only 24-hours of oxygen left. CNN This Morning brings you the latest on the search and rescue effort. Plus, Hunter Biden agrees to plead guilty to 24 federal tax charges, striking a deal with the DOJ on a felony gun charge. And, a federal judge sets a date for Trump's criminal trial in the classified documents case, as a CNN poll shows a softening of support for the former President among Republican voters. Also this morning: US medical experts recommend all adults under 65 be screened for anxiety disorders, and 30 million Americans face scorching temperatures this morning, as hundreds of thousands wake up with no power across the South.

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