. >> let's bring in now peter berg bergen. and paul cruickshank.d chief in the ctc sentinel, terrorism studies journal. and michael weiss. cnn contributor and author of "isis:inside the army of terror." paul, much of what we understand in the intelligence community and belgium and ongoing paris attacks comes from you. unfortunately this is also your home. and i know this is a sensitive situation for you. on many different levels. what can you tell us about what is reverberating through the halls of the intelligence community there right now about what happened this morning? >> well chris, it's not a surprise to them but obvious there is a certain amount of shock in brussels right now. the terrorism has again come to brussels. we saw back in may 2014 an attack on a jewish museum by french isis operative. four people were killed in that attack. but this is on a whole different scale. as the investigations have proceeded with the paris attacks, it's become increasingly clear that those attacks were planned from brussels, staged from brussels, that the