Summary: Search operations are underway for a submersible that carries paying tourists to view the wreckage of the Titanic. The five-person craft is owned by OceanGate Expeditions and was reported overdue Sunday. It disappeared near where the Titanic went down in 1912 after hitting an iceberg. Geoff Bennett discussed the search effort with Kristin Romey of National Geographic. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
