Will the Dollar remain the world Reserve currency?

[Lee Common]

http://www.marketoracle.co.uk/Article24991.html
http://en.wikipedia.org/wiki/Reserve_currency
http://en.wikipedia.org/wiki/North_American_currency_union
http://www.google.com/search?aq=f&sourceid=chrome&ie=UTF-8&q=Amero
http://seekingalpha.com/article/246834-investing-in-the-chinese-yuan-world-s-reserve-currency-by-2030
http://money.cnn.com/2011/02/10/markets/dollar/index.htm

I'm just not sure if the world is going to continue to allow us to monetize our debt. While Europeans are making such great sacrifices.

Any opinions?