Incorrect. Russia is the world's largest or 2nd largest oil exporter. Russia *competes* with Middle-Eastern oil exports. Killing a Russian competitor wouldn't even make the Kremlin brass cry.
Not surprisingly, considering the stupidity of people that fantasize about such things, as we've seen earlier in this thread, it's impossible to nuke the world's Moslems without killing tens of millions of Christians, Hindus, Buddhists, etc. The world's Islamic population doesn't live completely concentrated in small areas isolated so that fallout doesn't reach anyone else. You've got millions of Armenians in the middle of the Turks and assorted Moslem former Soviet Republics; you've got millions of Christians in Lebanon; you've got millions of Christians scattered throughout Indonesia. The second largest Muslim population in the world is in India, scattered amidst a vast sea of Hindus, hundreds of thousands of Christians, etc.
Russia
Russia is important to world energy markets because it holds the world's largest natural gas reserves, the second largest coal reserves, and the eighth largest oil reserves. Russia is also the world's largest exporter of natural gas, the second largest oil exporter, and the third largest energy consumer.
http://www.eia.doe.gov/emeu/cabs/russia.html
It is almost reason to cry to grasp the enormity of the average American's ignorance.
We could set off a thousand nukes on Saudi Arabia alone and leave the oil fields unscratched.
There would be no reason whatsoever for the Soviets to freak about anything. And since we are the masters at air bursts (minimum radiation, maximum damage) even the fallout is survivable.
Of course it would be horrific, but the actual globe is a lot lot bigger than the ignorant can imagine, and the actual use of nukes a lot more puny than they have nightmares about.