My very personal account for CNN Opinion of being one of the first to reach the crash site of Mh17 in July 2014 - and my thoughts of the verdict handed down by a Dutch court.
Read MoreWith the German government's announcement Wednesday of "unequivocal evidence" that the nerve agent Novichok was used in the poisoning of Russian opposition leader Alexey Navalny, we are once again reminded how a vacuum in global leadership -- notably, in this instance, the silence of the American President -- can potentially open the way for the world's strongmen to reach for the deadliest means to silence their critics.
Read MoreThe World Health Assembly (WHA) -- the biggest event on the global health agenda -- held on Monday and Tuesday this week, can be easily summed up: The Trump administration threatened to take the UN agency off life support as it fights a global pandemic -- and Chinese President Xi Jinping threw it a new life line.
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