Peace and justice are often at odds when it comes to ending long running conflicts. Vladimir Putin is unlikely to sign a peace deal if he knows he's going to end up before a tribunal somewhere. There are good precedents too for those keen to avoid prosecution; the war in Bosnia only ended because the West did a deal Milosevic. And when the criminals were put on trial from that conflict it was many years after the event. We've got to do better, says political analyst Dahlia Scheindlin.  She's spent much of her career in Eastern Europe as well as the Middle East. Following recent interviews with some of the world's leading international jurists she outlines how Putin and those under him could and should be held to account.