suspect in that they made that ride last night and then in the middle of the night, the threat level raised up from three to four belgians highest level, somewhat unprecedented here. and finally, why belgium? reporter: belgium has been the weak link by all counterterrorism expert animal sis analysis, this country has not been doing now share information and has not been doing enough to get its own information. the prime minister and other security officials vowed to put more manpower and money into fighting the threat where many terrorists have come to plot and plan attacks. thank you so much. there is hardly consensus among american politicians as to hour response. my next guest sees the debate as one involving stark choices.