Ok, serious answer to the OP.
We won't be going mano-a-mano with the Bear any time soon due to the terrible shape the Russian military is in, despite rolling over Georgia. Even though we are engaged in war in two different countries, a direct confrontation with the Russians would likely mean we would immediately pull all troops out of Iraq and Afganistan (or use Afganistan as a staging field for operations in southern Russia) and redeploy them to a more suitable or strategically important location.
Secondly, Russia holds too much US debt to afford to cause us to default on purpose due to war.
Thirdly, it would immediately invoke the NATO joint protections that are built into the treaty. Russia would have to fight on multiple fronts, all of which have long logistical lines for them to negotiate.
Fourthly, this recent spat the Russians are involved in is about national pride, not any actual immediate beef with the US. Kinda like us taking on Grenada and Panama after the Vietnam war.
Fifthly, the only trump card Russia actually holds is the nuclear one. You use that card and the game is over-- ot because the world ends or anything silly like that, but because the only value of nukes is in the possession of them, not their actual use. Believe it or not, but a nuke isn't as devastating as is believed. To make a nuke strike is to visably demonstrate how limited they are and to utterly coalesce the enemy's populace against you. Yes, Dorothy, nuclear winter is a myth.
Lastly, Russia is just now coming out of an incredible economic slump. This entire previous five or so years has been a systematic orchestration by Putin to consolidate power. To risk what he has gained for an extremely unlikely victory stands as direct evidence why he wouldn't engage in war against the West. He's waaay smarter than that.
That answer your question, Jub?
Totem