Seems China doesn't mind south Korean to be in control of the North if the North collapses.  And China is not as close to North Korea as I thought. 

Question:  If North Korea collapses without military conflict, should the U.S. pull out of Korea all together?  I don't see China or Russia being pleased for the U.S. military to be in Korea.

http://news.yahoo.com/s/ap/as_china_nkorea_wikileaks

No, the US should keep a military presence in South Korea until both are reunified and every single would-be dictator or co-conspirator in North Korea has been arrested and standing trial. The last thing South Korea wants is for North Korea to agree to reunification, the US pulls all troops, and North Korea invades.

As for Russia, they started this mess by propping up their own little puppet government in North Korea at the end of World War 2. Russia should nut up or shut up because they have no leg to stand on regarding the Koreas other than creating the situation we have now.

I believe China cares so long as there is not war and the threat of nuke usage. China has a good thing going with their economy, their gargantuan trade imbalance with the rest of the world, and the last thing they want is to take sides in a war in which all goods from their country could be embargoed because they do not side properly with South Korea.

I would not be surprised if China along with the US would provide joint security for the reunification.

I don't think it's that goods would be embargoed.  I think that it is the fact a lot of China's wealth is in the form of Western debt they hold.

If there was a war large enough and substantive enough, it is possible the West would deliberately default on all this debt, resulting in the greatest instantaneous transfer of wealth in history (a couple of currently non-existent trillion dollars Europe and America would declare will never be repaid).

The "transfer of wealth" would never occur because China would end up holding T bonds that would amount to nothing. The US Congress, specifically the US House of Representatives could simply pass a bill stating something along the lines, "Countries or organizations whom the US is at war with who hold US debt, treasury or otherwise, have revoked all value on their debt by threatening national security interests."

Same would be done in every single  European country. A war involving China as an adversary of the West would be a godsend for deficit hawks, yet the lowest layer of hell for big business who manufactures in China.

Well if the two Korea's merged without fighting a war. If a democratic constitution was written up and set in stone. Then I think their should be a draw back of US forces. However I think it would be foolish for the US to pull out of any asian countries now or in the future.

China is a dog on a leash with the US present. But if the US leaves that dog is going to go nuts. Right now the only thing keeping China from invading Japan, Taiwan and probubly even South Korea is the United States. China is a growing super power and wants to increase its influence. China does not want democracy to spread any further and they want to expand their empire both litterily in land but also militarily.

Disagree? Then why is China building up such military might? China wants to build air carrier's they have Nuclear subs they constantly provoke Japan. The chinese Government even made a game a few years ago in which players played as Chinese soldiers invading Japan.

The US needs to remain in place and in a supportive roll accross asia pacific. Their needs to be competition to speak buisness wise. if China is allowed to rule over the area as an unrivalled super power then they could pressure all the countries around them into doing as they please. But right now countries can choose, a great relationship with China or the United States or in some cases both. But if the US left all the countries would be under the dictatorship of a communist super power.

If I would be south korean I would hope that South Korea and North Korea would never reunite.

Germany spent 1.2 Trillion Dollars in the first few years to build up infrastructure and give people social security they never payed for. And West Germany was 4 times larger (population wise) then East Germany. South Korea is just twice as large as North Korea.

And East Germany was way better of then North Korea. BTW why does everyone assume that South Korea would give up their democracy just to reunite with the North ? 

 The Costs would be huge and I doubt South Korea would be able to pay for it Germany is one of the biggest econmies in the world and they bit up more then they could chew. The South would definetly go bankrupt unless they wouldnt try to level the differences between the economies.

Bringing those states together would be a very big piece of work and couldnt be done without international help, the US should imo be there no active role but a spectator which is willing to act if necessary.

The same reports that suggest China is privately distancing itself from North Korea also indicate China has no problem with a US friendly unified Korea, as long as said Korea is also friendly to China. If that's the case, and US troop numbers remain as they currently are and no US soldiers are stationed passed the 38th parallel, I doubt the Chinese would be too concerned. They're far more interested in regional stability than anything else, to help maintain economic growth.

No, the US will cause them to be reunified.

If North Korea collapses politically... what left would there be for the US to do anyway?

Well outside trying to prevent any of their nasty weapons from being sold to terrorists.

Then again... I still think we have troops in Germany.   Just in case hitler isn't really dead and planning to start WW3 out of a wheelchair from room A110 from a german old folks home in Hamburg.

Hitler would be 120 years old or something. Maybe Hitler cloned himself. The  cloning of humans and animals was part of the Nazis secret experiments. 

IMO North Korea are not much of a threat. They are a comical joke and they will just go away if we ignore them. Cuba was ignored for 50 years and they did not threaten the world. Communist nations should be left to be paranoid and shut off from the rest of the world. 

Russia and China both gave up on Communism after almost  50 years of  isolation from the liberated West.