flores's body was found bludgeoned to death inside the hotel room. there is confession. van der sloot confessed to police in peru. there is video surveillance evidence. two of them entering the hotel room. only van der sloot coming out. martha: thanks very much. we'll get more later. steve harrigan. bill: it happened again. nuclear scientist is killed in tehran. they are lashing out at the u.s., and a close ally. breaking story in a moment. martha: there is newt gingrich in south carolina. he has a fourth place finish out of new hampshire. what is next for him. big speech we're told underway. we'll let you know what is going on with that right now. >> i don't actually expect obama to agree that two plus two equals four. i expect the american people to watch the debate to figure out two plus two equals four. more we debate, clearer it gets the bigger our margin will be so we quain win house, senate and