this morning on "world news now," security failure. this morning on "world news now," security failure. the alarming new report highlighting major flaws at airports' checkpoints. the undercover investigation prompting sweeping changes. we'll have full details ahead. >> shocking scene. bystanders can't help but watch and yell as this truck sinks into the harbor with somebody stuck inside. the rush to help rescue them before going completely under. >> just weeks after learning about bruce jenner's struggle with gender identity, the world now meets caitlyn jenner. new reaction this morning. how her family and friends are supporting her on this momentous occasion. >> plus, sumo wrestling and sex ed. makes perfect sense, right? finding true love ain't easy. time for our bachelorette recap in "the skinny" on this tuesday, june 2nd. >> announcer: from abc news,