Saudis warn of oil slick near decaying tanker, but offer no evidence

Read MoreYemen’s civil war has turned a 45-year-old, crude-filled supertanker into a ticking environmental time bomb, but politics makes it hard to judge the length of the fuse.Yemen’s civil war has turned a 45-year-old, crude-filled supertanker into a ticking environmental time bomb, but politics makes it hard to judge the length of the fuse.