neither side is backing down. also tonight, new strikes. u.s. forces hit militants targeting ships in the red sea. charlie dis hunting. they were hunting shafts from underground facilities. plus, punishing storms. a new system set in the west. anchors away, the world s largest cruise ship leaves miami. reporter: the largest cruise ship in the world is setting sail. and later causing a stir. an american lands in hot water in britain over how to make that perfect cup of tea. you can add a pinch of salt to remove some of the bitterness. rubbish. %. this is the cbs weekend news from washington with adriana diaz. good evening. thank you for joining us. adriana is off. tonight, we re getting a sense o what could be the longest general election campaign in history. president biden is in south carolina. the first time democrats are beginning their primaries in the south and the first opponent is in nevada where republicans hold their next contest. it s the first