this morning on "world news now" -- on edge. breaking overnight developments as the u.s. military takes action for humanitarian help for iraq. today america is coming to help. >> the president's tough decision. could u.s. air strikes be next? double trouble. iselle and julio take aim at hawaii with the first powerful storm hitting the big island. >> we're prepared for immediate response. we have our resources in place. >> last-minute preparations. and a vacationing couple ready to get married on the beach. and from real storms to hollywood's make-believe tornado. moviemakers whipping up a category 6 twister. the buzz at the box office on this friday, august 8th. >> announcer: from abc news, this is "world news now."