At the moment, I'd discard the possibility of a full-scale war with Russia. I'd be much more worried if China offered to buy a few ICBM's from Russia (say, 1$bil/ICBM). For example, the ones that Russia intends to discard anyway.
No global thermo nuclear isn't the only threat. Its just the one nobody wants to think or talk about. And its way more possible than you think. We can squish Iraq... Russia is a whole other ball o' wax.
Wallace212
PTF