The world may never know whether the decision by US President Donald Trump to kill Iranian military and intelligence chief Qassem Soleimani was the result of thorough strategic planning or a sudden impulse. But it's clear that the move is a gamble that could still play out in many different ways.
The question at the moment - with the situation seemingly on hold after both Iran and the US have made their moves - is whether Mr Trump might have come out on top.
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