this morning on "world n this morning on "world news now" -- tight race. what a brand new abc news poll reveals about president obama and governor mitt romney. as both candidates spend fortunes on campaign ads in battleground states. it's tuesday, july 10th. >> announcer: from abc news, this is "world news now." good morning, everybody. i'm rob nelson. and long time no see, sunny. >> that's right. >> here we go again. welcome back. always good to have you. >> thank you so much. i am sunny hostin. paula faris is on assignment. we'll get to the bombshell political poll in a moment. why police and family fear the worst about a missing mother of two from ohio. all of the suspicions after she went on vacation and never returned home. also this half-hour, would you know how to operate a fire extinguisher if flames were spreading and your life depended