diplomatic efforts made in europe in meetings that may change the tone or give opportunities to vladimir putin to exploit differences in approach if not in terms of actual principle among nato partners and other european allies. that is opportunity for putin that the ukrainians don t really want to see taken. stay with us. let me go to melissa. what sam said. explain to us those differences, those patterns sam was talking about. where does europe stand on the issue of sanctions. is europe trying to diffuse tensions another way? reporter: europe has agreed on a series of sanctions. it hasn t published what it intends to do. that was the point of the foreign minister s meeting in brussels on monday. they have been working behind the scenes on their own set of sanctions even if there is