Arms and diplomacy in Ukraine in the shadow of the Syrian crisis

Should arms be sent in Ukraine, to support the authorities in Kiev against pro-Russian separatists in the Donbass, thus against Russia? Since war erupted in Eastern Ukraine, Western countries are nurturing diverging points of view on this issue. The debate, fuelled by ambiguous concepts such as “non-lethal weapons” or “defensive lethal weapons”, therefore appears to be confusing.
This Analysis aims at taking stock of what is said and done about this thorny issue, made even more complicated by the Syrian crisis.
(Photo:  Radar AN/TPQ-36 Firefinder)