he d get off roseanne, lose 60 pounds and gain it back and hopefully these lifestyle changes stick and we wish him luck keeping it off. thanks for joining us. ac 360 starts now. good evening. tonight on 360, the race to prevent another titanic disaster. five people in a tiny submersible. hunter biden s plea deal on tax and weapons charges. republicans say he got a sweetheart deal. tonight we look at the facts. the kremlin plot to kill a high ranking official. good evening. we begin tonight with a desperate search for the ocean gate titan. a miniature submarine with five people inside. they had hoped to visit the wreck of the titanic in the north atlantic but now they face a disaster of their own. their air slowly running out, that is, if they are still alive. we do not know. all communications have been lost. even if the craft is somehow able to surface on its own, it can t be opened from inside so rescuers have to locate it before those on board run out of oxygen in