Coast Guard says missing submersible passengers are presumed dead

The U.S. Coast Guard held a press conference after submersible went missing while exploring the Titanic wreckage, saying that the five-person crew is presumed to have not survived. » Subscribe to MSNBC: Follow MSNBC Show Blogs MaddowBlog: ReidOut Blog: MSNBC delivers breaking news, in-depth analysis of politics headlines, as well as commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Morning Joe, The Beat with Ari Melber, Deadline: White House, The ReidOut, All In, Last Word, 11th Hour, and Alex Wagner who brings her breadth of reporting experience to MSNBC primetime. Watch “Alex Wagner Tonight” Tuesday through Friday at 9pm Eastern. Connect with MSNBC Online Visit : Subscribe to the MSNBC Daily Newsletter: Find MSNBC on Facebook: Follow MSNBC on Twitter: Follow MSNBC on Instagram: #BreakingNews #Titanic #Submersible