sometime this week. nbc s kristin welker is at the white house for us. hello to you on this saturday afternoon. what prompted the move by the pentagon to take such an aggressive step against north korea? reporter: the pentagon believes new york has engaged in a series of provocative actions lately, alex. it has also made advances in its nuclear capabilities. north korea threatened a pre-emptive strike against the united states after the u.n. issued new sanctions against the country. it also scrapped its 1953 treaty with south korea, and in addition to that has just really ramped up its rhetoric. so there s a lot of concern on the part of the united states. defense secretary chuck hagel announcing on friday that the united states would put 14 new interceptors in alaska. that s an increase of 50% at a price tag of $1 billion. here is a little bit more of what the defense secretary had to say. take a listen. north korea in particular has
administration. of course, the president had mapped out a second term agenda that included immigration reform, gun control, also taking on some environmental issues, but this will undoubtedly weigh heavily on this administration over the next several years. alex? absolutely. adding this to an already very full plate. thank you very much kristin w k welker. it s the final day of cpac and they ve saved the best speakers for last in the eyes of some republicans. former vice presidential candidate sarah palin is due to speak any time now. with rn c chairman reince priebus and senator ted cruz scheduled for later this afternoon. joining me is nbc news political reporter casey hunt who is right there at cpac. casey with a good afternoon to you. what do we expect to hear from governor palin or do we know? i thought it was a mystery a bit earlier. reporter: it is a pretty big mystery. no one quite knows what she s going to get up there and say, but, you know, this is a crowd that s been