miles deep. the hunt for a missing submersible in the north atlantic is entering a critical phase. the coast guard just telling us 40, 41 hours of oxygen remain for the five people onboard. we are learning alarming new details about exactly how that vessel was built. plus hunter biden set to plead guilty. the president s son reaching a plea deal with the feds led by a trump appointee. he s now facing the consequences of tax and gun charges, while the political consequences play out in the nation s capitol. and he is still leading the republican field, but a new poll shows post-indictment support for former president trump is softening. we re following these major developing stories and many more all coming in right here to cnn news central. new updates from the coast guard have just come in as the