>> the pace of the testing schedule has been collapsed. they' been willing to conduct these tests at a much more rapid clip. this has taken some people by surprise as far as the pace. but as far as their determination and their long term goals and commitment to gaining these capables, that should not be a surprise. >> their focus on continued development of their nuclear programs, what options does the u.s. have when it comes to engaging with pyongyang and deescalating the situation? >> i heard on the program earlier, someone was saying the