international security, ian b a brzezinski, i sort of know him, he's my brother. and a national security analyst, and now president of the carnegie endowment for international peace, william burns, author of "the back channel," memoir for american diplomacy, a case for its renewal." we'll get to the book in just a moment. ian, evelyn, the panel. when we think of russia, do we think of a military risk to member of nato or do they have a rusting, old arsenal and they're not to be worried about so much? >> they're a definite risk. just look at ukraine and georgia, crimea-occupied russian