>> you raise a lot of very important technical and legal questions about that authority. no-fly zones are by their very definition, acts of a conflict. what alternatives do nato allies have to assist ukraine? you have probably seen the debate at the top of the show with the whole debate around fighter jets being transferred from poland to ukraine. that is also for the time being rejected by the u.s.. what else can the allies do to assist ukraine? >> i think one thing that should be talked about is humanitarian carters that maybe can be done under the united nations to ensure that there is protection, that the un is managing them with un high commissioner for refugees, un relief agencies and aid agencies in place, and we could obviously say that it is a defensive measure these carters will be aligned with routes that lead to places that we