[fhdkweig]

I could believe that one man's death could start a conventional war. A conventional war is winnable. But 100 years later, a nuclear war is suicide at best.

Trump would almost certainly not intervene with nukes to protect non-US soil if Russia launched first, but there are plenty of European countries with nukes. Anyone in charge of Russia would have to accept the possibility that a first strike would leave them with a bad time.