two major stories happening right now. one in iowa where republican presidential candidates are taking part in the state s critical straw poll. and then in south carolina, texas governor rick perry is about to throw his hat into the ring. we ll have live coverage of that big announcement. first we begin with breaking news this hour out of pakistan. an intense search is under way for an american kidnapped from his home in lahore. the victim is identified as warren weinstein, a development expert, who works for a u.s.-based consulting firm. reza sayah is live from islamabad. what more have you learned about this kidnapping? reporter: well, fredricka, if you look at the details of how this kidnapping went down, i think it s clear that it was a very intricate and well-coordinated plot. police say it happened around 3:15 a.m. saturday morning, eight to ten assailants were involved in this kidnapping, according to police. it is the month of ramadan, a lot of muslims fasting in