My son, 19, & husband died in Titan sub implosion after I gave up my spot… final memory of waving them goodbye haunts me (opens in new tab)

PULLING out her phone on board the Polar Prince ship on a brisk June morning, Christine Dawood took a photo of her beloved husband and son beaming as they prepared to board the Titan submersible. It was supposed to mark the start of a once-in-a-lifetime trip to see the Titanic wreckage - but ended up...