I seem to be out numbered here, but I believe it is not only possible, but probable, and very soon. There are only a few things needed, and many of our own citizens are helping to bring it about with their support of the UN, EU, global trade, and such.
We signed a treaty in '67 to downsize are military to a size that would not pose a threat to a UN standing army or to any of our regional neighbors. All nations in the UN have done this. We are "policing" the world every time the UN wants to get rid of some "tyrant."
The US Senate has voted down (so far) a treaty to bring the U.S. into the International World Court, in which, a citizen of a country could be tried in another country, no jury, just a panel of judges, no appeal, no bail, no right to face an accuser. This has not passed yet, but I just recieved an email stating that we may have been "signed on" already without congressional approval.
There is much talk of global taxation. Whether it is on airfare, income, sales tax, what ever, it will be to finance the UN. (we alredy pay this in taxation that goes to support the UN and every war that they wage that American troops get sent to.)
Global legislation is being passed in the form of treaties. (Don't sit there and say our politicains won't let that happen). GATT, NAFTA, Global Warming Accord, Bio-diversity. (check out how many UN global heritage sights are right here in OUR country)
Don't take anyones word for it, check into it.
Global legislation, global army(ask Michael New)and global taxation. And we just stick our heads in the sand and hope that all these things we hear about are just stories.
Will there be world govornment? There already is!