gellman, "time" magazine's contributing editor at large. tell us about the guy who was building, really seriously building a nuclear device he hoped would take ute the president. >> well, a dirty bomb, he hoped. >> sthst whthis is what we fear qaeda. there will be some suitcase bomb that lend up on the new york city subway. but we had a domestic terrorist working on it. >> well, two things to say about this guy. number one, he probably is the most serious -- came the nearest to being able to build a dirty bomb of any of the domestic tret threats we heard. certainly way more than jose padilla, the accused al qaeda dirty bomber. on the other hand, he wasn't ready yet, he wasn't there. but it is by the happenstance that he was killed in his sleep by his wife that he found out